For some women, pregnancy is a time of profound loss. Not all pregnancies progress as expected. One serious complication is ectopic pregnancy, a condition in which a fertilized egg implants somewhere ...

Implantation, one of the most poorly understood phases of early human development, occurs in the depths of the womb, at a time when embryos are microscopic, fragile, and well out of reach. Until ...

A new experimental study has found that perfluorooctanoic acid (PFOA), a widely used industrial chemical, can interfere with ...