A–Z Glossary

hemorrhoids

Swollen veins around the rectum that can develop or worsen during pregnancy because of increased pelvic pressure and straining.

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Understanding all pregnancy symptoms in one guide

Understanding all pregnancy symptoms in one guide

Early pregnancy symptoms and what they mean The earliest pregnancy symptoms often appear around the time a period is due, but timing is highly variable. A missed period is a classic clue in people with regular cycles, yet cycle irregularity, stress, breastfeeding, perimenopause, and some medications can also affect bleeding patterns. Home pregnancy tests detect […]

Month 7 of pregnancy: third trimester begins and body adaptation

Month 7 of pregnancy: third trimester begins and body adaptation

When month 7 begins: the transition into the third trimester Pregnancy dating is usually counted in weeks from the first day of the last menstrual period. The third trimester is generally described as beginning at 28 weeks and continuing until birth, often around 40 weeks. Month 7 commonly spans approximately weeks 28 to 31, although […]

Second and third trimester symptoms explained

Second and third trimester symptoms explained

The big picture: why symptoms change after the first trimester By the second trimester, the placenta is well established, maternal blood volume continues to expand, and the uterus rises out of the pelvis. Hormonal changes, particularly progesterone-mediated smooth muscle relaxation, can slow gastrointestinal transit and relax the lower esophageal sphincter. Relaxin and other connective-tissue changes […]