Medically reviewed by Kiarra King, M.D. Pregnancy hormones help grow your baby and affect your well-being. Hormonal changes can cause symptoms like nausea, heartburn, and mood swings. Understanding ...

There's new evidence that pregnancy really does change the brain. A study of female mice found that two hormones produced during pregnancy alter brain circuits that control parenting behaviors, a team ...

Higher levels of the stress hormone cortisol during the third trimester of pregnancy may impede intelligence quotient (IQ) scores in boys aged 7 years old, according to research presented at the 26th ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Motherhood changes you forever—that's no secret. The cocktails of ...

Summary: By measuring raw hormone concentrations directly from maternal blood samples during the first trimester of pregnancy ...

While an association between obesity during pregnancy and offspring mental health is becoming increasingly clear, the mechanisms underlying this relationship are not yet understood. This is the first ...

Researchers at the Francis Crick Institute have shown that pregnancy hormones 'rewire' the brain to prepare mice for motherhood. Their findings, published today in Science, show that both estrogen and ...

Scientists have shown how pregnancy hormones alter a brain circuit in mice. The finding helps explain how hormones induce maternal behavior in a range of mammals. There is new evidence that pregnancy ...

Pregnancy significantly affects the thyroid gland and its function due to increased metabolic needs. For example, a maternal body requires 40% to 100% more thyroid hormones to meet the needs of the ...