heterotopic pregnancy. extra-uterine ectopic pregnancy and intrauterine pregnancy occur simultaneously

abdominal abnormal abnormality ampullary cervical complication diagram disease ectopic egg embryo extrauterine fallopian female fimbriae gynecology healthcare heterotopic illustrated implant infertility inflammatory interstitial intramural isthmic maternal medical organ ovarial ovary pain pelvic pregnancy pregnant premature reproduction reproductive risk simultaneously treatment tubal tube unborn uterus vagina woman