During the first weeks of pregnancy, the developing placenta in a mother's womb undergoes a dramatic change. Individual cells ...

Hormones coordinate different body functions by carrying messages through the bloodstream to target cells and tissues. Hormonal imbalances occur through inadequate or excess hormone synthesis, which ...

The corpus luteum is a short-lived but vital organ that appears in one of your ovaries during every menstrual cycle. Its job is to produce hormones (progesterone and relaxin) that support pregnancy ...

Now, scientists at Scripps Research have identified a key player in the placenta's transformation-a molecule called ...

An international team discovered that ancient viral DNA fragments help regulate genes essential for placental function. The ...