9 months in, you might feel like you know all you need to know about pregnancy, but we've got plenty of information on the ...

A higher maternal HIV load in pregnancy is linked toward earlier onset of puberty in HIV-exposed and uninfected boys but not girls.

Pregnancy may accelerate biological aging in women who have never given birth by up to 5.3 years, according to a new study. Researchers also found that an older first-trimester epigenetic age, a ...

A large study from Massachusetts found that babies whose mothers had COVID-19 while pregnant were slightly more likely to have a range of neurodevelopmental diagnoses by age 3. Most of these children ...