That overweight during pregnancy can lead to overweight children and adolescents has been known for some time, but new research indicates that excess weight before and during pregnancy can have long-lasting health consequences for the offspring of such mothers even later in life.

A new report shows that 21.8 percent of pregnant white women aged 15 to 44 currently (within the past 30 days) smoked cigarettes. The study also showed that cigarette smoking levels among pregnant white women were significantly higher than the levels among pregnant black women (14.2 percent) and pregnant Hispanic ...

Being even modestly overweight and having elevated blood sugar levels may increase the risk of pregnancy complications more than thought, a new study says.

Using meth during pregnancy can increase depression, anxiety and other mental health symptoms in the child.

The fossilized mama mesosaur lived some 280 million years ago.

The "abortion" keeps new males from killing the mama's babies.

A new study of women age 50 and older who had children using donated eggs reveals that pregnancy at this age carries about the same risks as similarly induced pregnancies in younger women.

Mothers-to-be who are both overweight and smoke during their pregnancy risk damaging their baby's developing heart, according to new research.

Teens need more information about the conditions under which pregnancy occurs, the CDC said today.

Medical researchers have found a link between increases in temperature and the incidence of stillbirth and shorter pregnancies.

A recent study, published in the Journal of Experimental Biology, finds that pregnant bottlenose dolphins - especially in the later stages - find their swimming speed almost halved and tail movement restricted, Victoria Gill Science reports for BBC Nature.Originally interested in how baby dolphins learned to swim, lead researcher Shawn ...

Changes in a mother's psychological state before and after she gives birth may affect her baby.