Experts don't know the exact cause of preeclampsia and high blood pressure during pregnancy.

Nothing is known about the use of alfatradiol during pregnancy or lactation, or in patients under 18 years of age.

These advances increased the benefit of knowing one's HIV status, especially during pregnancy.

Pregnancy and breast-feeding: Not enough is known about the use of cascara during pregnancy.

Not enough is known about the safety of malic acid during pregnancy and breast-feeding.

Not enough is known about safety during pregnancy or breast-feeding.

Here's what you need to know about the causes, symptoms, and treatment of anemia during pregnancy.

And the waiters assumed that they knew better than their customer the perils of drinking during pregnancy.

My activism may have served to deprive other women of knowing their status during pregnancy.

Relatively little is known about the effects of this medication during pregnancy and lactation.