Background: A pregnancy with a partial molar placenta and a normal fetus is a rare condition. Few guidelines exist for antenatal evaluation and management, particularly with respect to selecting cases for conservative management.
Case: Cytogenetic analysis of chorionic villi showed a triploid placenta, and both amniotic fluid and blood indicated a diploid fetus. The pregnancy resulted in a normal newborn.
Conclusion: This disorder appears to be due to confined placental mosaicism.(Obstet Gynecol 1993;82:716-9)
From the Maternal-Fetal Medicine Service, Antepartum Diagnostic Center, Tripler Army Medical Center, Tripler AMC, Hawaii; and the Cytogenetics/Embryopathology Laboratory, British Columbia's Children's Hospital, Vancouver, British Columbia, Canada.
© 1993 The American College of Obstetricians and Gynecologists