Ahh, the first few weeks of pregnancy—the nausea, beginning weight gain, and fatigue, not to mention the uptake in hormones. But those are just the side effects to the most important question: When do ...

The ultrasound study revealed that twins have less fat tissue and less muscle mass than singletons beginning at 15 weeks of pregnancy. If results are confirmed by additional research, the findings ...

The earlier your pregnancy is, the more likely you are to experience a miscarriage. About 80% of miscarriages take place in the first trimester, meaning the first 12 weeks of pregnancy ...