The afterbirth has generally been an afterthought, but that’s about to change.
This week, 19 research centers were awarded grants from NIH’s Human Placenta Project, which is seeking to learn more about the intricate organ that sustained us in the womb, the interface between us and our mothers.
The question comes up when a pregnant woman has a serious medical condition: should she or shouldn’t she be treated? Are the indicated drugs safe for the baby?
Drugs are assigned pregnancy risk classes. Thalidomide, whose reputation for causing fetal malformations was chillingly established in the 1960s, is solidly in Class X (the most risky), as are the cholesterol-lowering drug lovastatin and the anti-coagulant warfarin. At the other extreme are Class A drugs that are widely recognized as safe in pregnancy.
But between these extremes is a huge group of drugs for which little is known. …