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JAIDS Journal of Acquired Immune Deficiency Syndromes:
doi: 10.1097/QAI.0000000000000014
Clinical Science

Pregnancy Intentions Among Women Living With HIV in the United States

Rahangdale, Lisa MD, MPH*; Stewart, Amanda MD; Stewart, Robert D. MD; Badell, Martina MD§; Levison, Judy MD, MPH; Ellis, Pamala BSN; Cohn, Susan E. MD, MPH#; Kempf, Mirjam-Colette MPH, PhD**; Lazenby, Gweneth B. MD††; Tandon, Richa MD‡‡; Rana, Aadia MD§§; Nguyen, Minh Ly MD, MPH‖‖; Sturdevant, Marcia S. MD¶¶; Cohan, Deborah MD, MPH##; on behalf of the HOPES (HIV and OB Pregnancy Education Study)

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Author Information

*Department of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, NC;

Department of Obstetrics and Gynecology, Johns Hopkins University, Baltimore, MD;

Department of Obstetrics and Gynecology, University of Texas Southwestern, Dallas, TX;

§Department of Gynecology and Obstetrics, Emory University, Atlanta, GA;

Department of Obstetrics and Gynecology, Baylor College of Medicine, Houston, TX;

Department of Maternal Fetal Medicine, Women's Hospital, Baton Rouge, LA;

#Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL;

**Departments of Family/Childhealth and Caregiving and Health Behavior, University of Alabama at Birmingham, Birmingham, AL;

††Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, SC;

‡‡Department of Medicine, Boston Medical Center, Boston, MA;

§§Department of Medicine, Alpert Medical School of Brown University, Providence, RI;

‖‖Department of Medicine, Emory University, Atlanta, GA;

¶¶Department of Pediatrics, University of Alabama at Birmingham, Birmingham, AL; and

##Department of Obstetrics, Gynecology and Reproductive Sciences, University of California, San Francisco, CA.

Correspondence to: Lisa Rahangdale, MD, MPH, Department of Obstetrics and Gynecology, University of North Carolina, 3031 Old Clinic Building, CB # 7570, Chapel Hill, NC 27516 (e-mail: Lisa_Rahangdale@med.unc.edu).

Supported by a 2010 developmental grant from the University of North Carolina at Chapel Hill Center for AIDS Research (CFAR), an NIH-funded program P30 AI50410.

Presented in part at the 2013 20th Conference on Retroviruses and Opportunistic Infections, March 5, 2013, Atlanta, GA.

The authors have no funding or conflicts of interest to disclose.

Received July 01, 2013

Accepted September 16, 2013

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Abstract

Background: The number of HIV-infected women giving birth in the United States is increasing. Research on pregnancy planning in HIV-infected women is limited.

Methods: Between January 1 and December 30, 2012, pregnant women with a known HIV diagnosis before conception at 12 US urban medical centers completed a survey including the London Measure of Unplanned Pregnancy (LMUP) scale. We assessed predictors of LMUP category (unplanned/ambivalent versus planned pregnancy) using bivariate and multivariable analyses.

Results: Overall, 172 women met inclusion criteria and completed a survey. Based on self-report using the LMUP scale, 23% women had an unplanned pregnancy, 58% were ambivalent, and 19% reported a planned pregnancy. Women were at lower risk for an unplanned or ambivalent pregnancy if they had previously given birth since their HIV diagnosis [adjusted relative risk (aRR) = 0.67, 95% confidence interval (CI): 0.47 to 0.94, P = 0.02], had seen a medical provider in the year before the index pregnancy (aRR = 0.60, 95% CI: 0.46 to 0.77, P < 0.01), or had a patient-initiated discussion of pregnancy intentions in the year before the index pregnancy (aRR = 0.63, 95% CI: 0.46 to 0.77, P < 0.01). Unplanned or ambivalent pregnancy was not associated with age, race/ethnicity, or educational level.

Conclusions: In this multisite US cohort, patient-initiated pregnancy counseling and being engaged in medical care before pregnancy were associated with a decreased probability of unplanned or ambivalent pregnancy. Interventions that promote healthcare engagement among HIV-infected women and integrate contraception and preconception counseling into routine HIV care may decrease the risk of unplanned pregnancy among HIV-infected women in the United States.

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BACKGROUND

There are approximately 280,000 HIV-infected women in the United States and an estimated 140,000 serodifferent couples (in which only 1 member of the partnership has HIV) living in the United States.1,2 The number of HIV-infected women giving birth in the United States increased by approximately 30% between 2000 and 2006.3 Research on pregnancy intention in HIV-infected women is limited.4–6 To address prevention of sexual HIV transmission, a family planning discussion may focus on condoms to prevent both pregnancy and HIV/sexually transmitted infection (STI) transmission. Although condoms decrease the risk of STI transmission, they are only 83% effective in preventing pregnancy7 and counterproductive for couples who desire pregnancy.8 Hence, prevention of HIV transmission through condoms and a woman’s desire for pregnancy are in clear conflict. In addition, recent research indicates that antiretroviral (ARV) use by an HIV-infected partner reduces HIV transmission risk by 96% in serodifferent heterosexual couples.9 Preexposure prophylaxis has been shown to reduce HIV transmission by 62%–73%; a 90% reduction is reported with confirmed adherence to preexposure prophylaxis.10,11 With improved options for safe conception and risk of perinatal HIV transmission potentially at less than 1% for women with undetectable viral load at delivery, there is now greater opportunity for providers and patients to engage in patient-centered conversations on how HIV-infected women can both achieve pregnancy safely and avoid perinatal HIV transmission.1,12,13 Given the limited data on pregnancy intentions among HIV-infected women in the United States, we sought to assess pregnancy intentions and factors associated with unplanned pregnancies in this multisite cohort of HIV-infected pregnant women in the United States.

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METHODS

Study Population and Recruitment

The HIV and Obstetrics Pregnancy Education Study (HOPES) was a multisite cross-sectional study of HIV-infected pregnant women presenting to obstetric or HIV-related care from January 1, 2012 to December 31, 2012. Each study site participated for a total of 6 months within the allotted study time period. A request for participation was enlisted on the University of California San Francisco—Infectious Disease Society for Obstetrics and Gynecology Reproductive Infectious Disease listserv. Researchers from 12 academic medical centers agreed to collaborate. Institutional Review Board approval or exemption was completed at each of the 12 sites.

Study personnel at each site consecutively approached HIV-infected pregnant women who were 18 years or older, able to read English or Spanish, and whose HIV infection status was known before the current pregnancy. Participating women completed the anonymous study survey and placed it in a prestamped and addressed envelope, which was directly mailed to the coordinating site. Participants received $10 gift cards for completion of the survey. All sites returned a study log listing the number of HIV-infected women treated in their clinic during the 6-month interval and nonidentifying descriptive data such as the time of HIV diagnosis (before pregnancy or during current pregnancy) and preferred language.

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Survey

The study survey included the London Measure of Unplanned Pregnancy (LMUP), a psychometrically validated index of pregnancy intentions designed to be used in women who are already pregnant. The LMUP has been validated in English and Spanish in low literacy settings.14,15 The survey also assessed respondents’ sociodemographic and clinical characteristics including age, race/ethnicity, education, parity, parity since HIV diagnosis, relationship with the biological father, awareness of HIV status of the biological father, disclosure of participant HIV status to biological father, having seen a healthcare provider or having discussed pregnancy intention, contraception or condom use before pregnancy, and ARV use in the year before pregnancy.

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Analysis

Respondents’ sociodemographic and clinical characteristics, listed in Table 1, were described using medians and ranges and frequencies. Because of survey questions left unanswered, missing data were acknowledged by description of denominator for all frequencies. LMUP scores (0–12) were initially categorized according to criteria put forth by Barrett.14 Scores 0–3 represent an unplanned pregnancy, 4–9 an ambivalent pregnancy, and 10–12 a planned (or highly planned) pregnancy.14 After examining the distribution of scores in our sample, scores were transformed into a dichotomous variable with levels “unplanned/ambivalent pregnancy” and “planned pregnancy” to facilitate the identification of characteristics associated with pregnancies that were not fully planned.

Table 1
Table 1
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Bivariate- and multivariable-adjusted relative risks (aRRs) between patient characteristics and the dichotomous pregnancy intention outcome (unplanned/ambivalent pregnancy versus planned pregnancy) were estimated using log-linear statistical models. All multilevel categorical variables were collapsed into clinically meaningful dichotomous variables before being entered into the models. In consideration of the modest sample size, only demographic characteristics and variables with a statistically significant bivariate association of P < 0.05 were included in the multivariable model. Crude and aRRs were estimated using the modified Poisson method, which allows for estimation of robust error variance for dichotomous outcomes.16 All analyses were conducted using SAS version 9.2 (Cary, NC).

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RESULTS

Between January 1, 2012, and December 31, 2012, 324 HIV-infected women received prenatal care at 12 tertiary-care medical centers based on a composite of the study logs from each site. Of these, 243 met study inclusion criteria—67 women were excluded because they were diagnosed in the index pregnancy and 14 could not read English or Spanish. We received surveys from 71% (172/243) of eligible participants.

Approximately one-third (37%, 63/172) of participants reported that they were diagnosed with HIV during a previous pregnancy. The median age at HIV diagnosis was 22 years (range, 0–34 years). The median age of respondents at time of survey completion was 28 years (range, 18–42 years), with the majority of women self-identifying as black, parous, and having received high school education or beyond (Table 1).

Most (77%, 132/171) of the participants reported having only 1 sexual partner in the last year (range, 1–6). Nearly all participants (92%, 156/169) were able to identify the biological father, and only about one-third (31%, 45/143) of those identified partners were reportedly also HIV infected. The majority (74%, 124/167) of women reported disclosure of HIV serostatus to all of their sexual partners (Table 1).

Participants were asked about healthcare utilization in the year before the index pregnancy. The majority (86%, 149/172) of women reported that they had seen medical providers in the year before pregnancy, including a primary care provider (34%, 59/172), HIV specialist (77%, 132/172), or obstetrician/gynecologist (29%, 49/172). About half of the respondents who saw a provider reported seeing multiple providers (47%, 70/149). Forty-four of the 49 women who saw an obstetrician/gynecologist also saw an HIV provider. Most women reported ARV therapy in the year before pregnancy (81%, 127/156). Approximately half (45%, 70/154) of participants had initiated a conversation with their provider about interest in pregnancy, and 60% (93/154) of women reported that a healthcare provider had talked to them about their interest in pregnancy. The majority of women reported that a healthcare provider had talked to them about contraception/birth control (81%, 127/156) or condom use (97%, 152/157) to prevent HIV/STI transmission (Table 1).

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LUMP Scoring

Using the standardized LMUP scoring rubric, 23% women had an unplanned pregnancy, 58% were ambivalent, and 19% reported a planned pregnancy. Responses to each of the 6 questions comprising the LMUP survey are found in Table 2. Most (68%) women were using no or inconsistent contraception in the month they became pregnant. About half (48%) acknowledged that their pregnancy had occurred at not quite the right time, and about half (52%) felt that they had not intended to get pregnant. In fact, 54% stated that just before they became pregnant they did not want to have a baby. Only 36% reported that both members of the couple discussed and agreed on the pregnancy before this index pregnancy. Finally, 36% respondents did not specifically prepare for the pregnancy such as seeking medical advice, taking prenatal vitamins, promoting healthy habits, or decreasing substance use.

Table 2
Table 2
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In bivariate analysis, having had 1 or more births since HIV diagnosis (RR = 0.81, 95% CI: 0.75 to 0.87, P < 0.01), having had a provider-initiated discussion about pregnancy intentions (RR = 0.85, 95% CI: 0.73 to 1.00, P = 0.05), having had a patient-initiated discussion about pregnancy intentions (RR = 0.70 95% CI: 0.59 to 0.83, P < 0.01), having seen a medical provider in the year before pregnancy (RR = 0.81 95% CI: 0.72 to 0.92, P < 0.01), having disclosed their HIV status to their male partner (RR = 0.78 95% CI: 0.71 to 0.86, P < 0.01), or knowing the identity of the biological father (RR = 0.79 95% CI: 0.73 to 0.86, P < 0.01) were all associated with a lower risk of having an unplanned/ambivalent index pregnancy (Table 3). In a logistic regression model controlling for age, race, and all independent variables with significant bivariate associations, births since HIV diagnosis (aRR = 0.67, 95% CI: 0.47 to 0.94, P = 0.02), having seen a healthcare provider (aRR = 0.60, 95% CI: 0.46 to 0.77, P < 0.01), and having a patient-initiated pregnancy discussion (aRR = 0.63, 95% CI: 0.46 to 0.77, P < 0.01) in the year before pregnancy remained associated with a decreased risk of unplanned or ambivalent pregnancy (Table 3).

Table 3
Table 3
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DISCUSSION

In this US-based, multicenter, cross-sectional study, we found that the majority of pregnancies among HIV-infected women were unplanned or ambivalent. Access to medical care and discussion of fertility intentions were associated with a decreased risk of an unplanned/ambivalent pregnancy.

A strength of this study is that it included participants from several sites across the United States. The generalizability of these data are limited given only academic medical centers and sites with clinician-investigators with special interests in HIV and pregnancy were included. Therefore, findings from this study may be biased toward planning pregnancies and discussion of pregnancy intentions compared with the HIV-infected population as a whole. In addition, although our study sites were across the United States, most participants were from the southern part of the United States and most participants self-described as non-Hispanic black. However, this may be a strength of the study as the numbers of HIV infections in black women are rising, particularly in the southern United States.17 Previous research also indicates that black women, in general, are disproportionately affected by unplanned pregnancy compared with other racial groups.18,19

A potential limitation of this study is social desirability bias. Women who are already pregnant may not recall or wish to recall any negative feelings they may have had regarding the index pregnancy. To diminish this bias, we used the validated LMUP scale, which is specifically designed to assess pregnancy intentions retrospectively. Another potential limitation of this observational study could be unexpected and unmeasured predictors of pregnancy intention. Given the small sample size, we may have lacked power to definitively rule out certain associations with unplanned or ambivalent pregnancies.

This study supports previously published research describing limited discussion of preconception issues by HIV care providers based on reports from HIV-infected women in the United States.20–22 A survey of 181 women attending an HIV clinic in Baltimore demonstrated that only 67% women had a general discussion about pregnancy; 31% had a personalized discussion, and the majority of all discussions were patient initiated.4 A comparison study between practices in the United States and Brazil also demonstrated lack of communication on the part of providers regarding pregnancy intentions in both locations.21 A strength of our study is that we report a modifiable variable associated with unplanned/ambivalent pregnancy and that this finding should motivate providers to discuss these topics.

Our study showed that having had a prior birth since HIV diagnosis was associated with a decreased risk unplanned pregnancy. We can speculate that this may be related to increased knowledge regarding low risk of transmission of HIV during pregnancy from past experience and, therefore, less ambivalence or fear regarding planning for a future pregnancy. Indeed, although the risk of perinatal HIV transmission is low, there is still significant stigma that women perceive related to child bearing, including fears of negative consequences toward themselves or their children related to HIV serostatus disclosure.23–25 A survey of 700 HIV-infected women geographically distributed across the United States reported that only 57% of the 159 pregnant women had a discussion regarding appropriate HIV treatment regimens before conception.23 Of the total women surveyed, 59% believed that society urged them not to have children.23

Data reported in our study also supports previous research described from a Houston prenatal care clinic in which 34% HIV-infected pregnant women did not know the HIV status of their partner and 40% reported that their partner was HIV uninfected.26 In our study, 46% of the participants did not know the HIV status of their male partner and 28% presumed their partners were HIV uninfected. Most women reported disclosure of HIV status to their partners, but 26% participants reported that some or none other their partners knew their HIV status. Although we do not know whether women in this cohort used safer sex practices to conceive, it seems that a significant proportion of women were in serodifferent relationships with potential for sexual HIV transmission. Screening and prevention education for uninfected male partners is also integral to preconception counseling of HIV-infected women.

Our findings suggest that family planning—including discussions of effective contraception, pregnancy intentions, and safer conception methods—alongside with HIV-prevention education—is needed in this population both postpartum and in the primary HIV care setting. Enhanced screening for HIV to diagnose individuals with unknown serostatus and then maintaining all HIV-infected individuals on ARVs, if clinically indicated, are also key prevention measures.9 This type of comprehensive care can be achieved through a multidisciplinary (infectious disease, obstetrics and gynecology, primary care, social work, and nursing) awareness of the unique health needs of women with HIV. In our study, respondents were commonly seen by multiple types of providers (eg, primary care, HIV specialist, and obstetrics/gynecology) in the year before pregnancy, limiting our ability to determine which provider types were most likely to deliver family planning and prevention messages. Future studies further elucidating patient–provider communication of family planning and prevention messages could help inform this multidisciplinary delivery of care.

Based on data from this US cohort, discussion of pregnancy intentions with a healthcare provider was associated with a decreased risk of unplanned or ambivalent pregnancy. Given HIV is a chronic medical illness requiring preconception management and there are risks of sexual and perinatal HIV transmission during conception and pregnancy, our goal should be to maximize the number of planned pregnancies. Our data also suggest that a significant number of women in serodifferent relationships are conceiving without knowledge of their partner’s HIV serostatus and may need additional advice to promote safer conception. Outcomes related to unintended pregnancy are similar to HIV transmission: increased risk of morbidity and mortality, adverse health outcomes for children, and poor family health.27,28 Organizations such as the Centers for Disease Control and Prevention and Infectious Diseases Society of America already endorse discussion of pregnancy intentions and contraception as part of primary medical care of HIV-infected women.29 Interventions that increase the provision of preconception counseling and ART use may increase the likelihood of planned pregnancy among HIV-infected women in the United States and promote options to decrease risk of HIV transmission among serodifferent couples.

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ACKNOWLEDGMENTS

The authors would like to thank the patients and clinic staff at our study sites for participation. In addition, they would like to acknowledge the University of North Carolina Center for AIDS Research (CFAR) Social and Behavioral Science Research Core for their assistance in survey design, database development, data entry, and statistical analysis.

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Keywords:

pregnancy intention; HIV; pregnancy; serodiscordant; serodifferent

© 2014 by Lippincott Williams & Wilkins

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