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

The study found a surprising connection between a mother's hormone levels in the third trimester and her child's fitness.

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

A new study finds that pregnancy hormones in mice alter the brain circuits involved in "mothering," researchers say.

Taking a pregnancy test too early can procure a false negative result. How do you know when it's time to take one?

Lowering or pre-exposing a pregnant person to the hormone GDF15 could help lessen morning sickness symptoms once pregnant, according to new research.

The "most sensitive" drugstore tests can detect pregnancy as early as three or four weeks after your period date, Tang says. In those first few weeks, pregnancy hormones are on the rise every day.

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.

The researchers found that the amount of hormone circulating in a woman’s blood during pregnancy — as well as her exposure to it before pregnancy — drives the severity of her symptoms.

A new study has found that a women’s level of exposure to the GDF15 hormone before pregnancy can impact how much nausea she feels while carrying a baby.

Losing excessive weight during pregnancy -- more than 5% to 10% of a woman's body weight -- is not normal.

In most cases, gestational diabetes goes away soon after childbirth due to a sudden decrease in pregnancy hormones and related insulin resistance. Gestational diabetes is a form of diabetes. It ...