Sen, 37, experienced pain in her lower right abdomen and fever, initially suspecting a liver tumor; doctors diagnosed a fetal implantation in her liver.

After two failed in vitro fertilization attempts in Germany, Ms. Tuyet returned to Vietnam, where she was diagnosed with endometritis and cholecystitis. Successful treatment led to conception.

I regularly do high-intensity aerobic exercise five times a week. Recently, I experienced abdominal pain, and a check-up revealed I was pregnant with a 10% placental abruption. What should I do? (Ha Ngan, 35, Dong Nai)

Mothers with uterine atony, placental abnormalities, genital tract trauma, or coagulation disorders face a high risk of postpartum hemorrhage.

A decade after her husband passed away from brain cancer, Laura Orrico is pregnant with their first child, conceived using frozen sperm.