How many weeks pregnant am I? To determine your due date, healthcare providers count 40 weeks from the first day of your last ...

The average length of a pregnancy is 40 weeks or three trimesters. A woman goes through different physical, emotional, and psychological changes during the gestational period. Each week and ...

Working out during pregnancy is good for you and your baby. Here are the best exercises to do during each trimester.

While many schools adhere to traditional semesters that last around 16 weeks – though that number can also vary – others have quarterly academic calendars, trimesters or uncommon offerings ...

During week 11, your little one might double in size to 2 inches. She's the size of a strawberry, and her teeth, intestines, and genitals are forming. By the end of your first trimester ...

A few short lines buried in Massachusetts’ laws have been debated time and again: the rules around when a person in the third ...

A new study from Penn State University explored whether vitamin D levels across pregnancy are associated with birth outcomes ...

Low first trimester vitamin D concentrations are associated with risk for preterm birth; higher levels correlate with fetal growth.