Pregnancy

The inner lining of the small intestine nearly doubles in size during pregnancy and breastfeeding, according to new research in mice and human tissue.

A new mRNA therapy tested in mice may target the root cause of the potentially fatal pregnancy disorder preeclampsia.

Pain-sensing neurons exchange signals with immune cells that drive endometriosis, sparking the pain associated with the condition, new research suggests.

A new imaging technique enabled scientists to film every step of ovulation as it unfolds in mouse cells.

A new study suggests that endometriosis could be detected using a simple stool test, which could accelerate diagnosis rates.

A new "atlas" of early embryonic development in mammals suggests that the process is highly chaotic — but there is some method to the madness.

Researchers have developed a method of reversing the aging process in mouse egg cells.

The large-scale study linked exposure to air pollution with a higher infertility risk in men, while traffic noise affected women

Women with severe endometriosis are 10 times more likely to get ovarian cancer, while people with endometriosis of any severity are four times as likely, a study suggests. But patients shouldn't panic.