HCG is often the first indicator of pregnancy – it's what causes a positive result on a home pregnancy test. HCG levels rise ...

Beta-hCG is a shorthand term for a blood test used to measure hCG levels in early pregnancy. Find out what these levels mean.

Pregnancy hormones can make lasting changes to brains, lab mouse study shows : Shots - Health News A new study finds that pregnancy hormones in mice alter the brain circuits involved in ...

A pregnancy hormone known as hCG is in your blood from the time of implantation. This is the hormone detected in a pregnancy test. Some home pregnancy tests can detect hCG as soon as 7 days after ...

“This particular hormone, the GDF15 hormone, was discovered many years ago, and its relationship to nausea and vomiting and pregnancy. But this new study is kind of interesting because it kind of ...

NPR's Jon Hamilton reports on a study in mice showing that hormones produced during pregnancy alter the brain circuits involved in parenting. JON HAMILTON, BYLINE: Female mice are not born mothers.

The nausea and vomiting that often define the first trimester of pregnancy are primarily caused by a single hormone, according to a study published on Wednesday in the journal Nature. Researchers ...