TOPICS: Miscarriage, 20 weeks gestational age, chromosomal abnormality, trisomies, abnormally shaped uterus, antiphospholipid antibody syndrome, teratogens, vaginal bleeding, uterine cramping, open cervix, empty uterus, ectopic pregnancy, fallopian tube, pelvic inflammatory disease, previous ectopic pregnancy, serial hcg measurements, hemorrhage, tube rupture, surgical emergency, hemodynamic instability, placenta previa, cervical os, ultrasound, hemorrhage, fetal demise, cesarean section, placenta accreta, placenta increta, placenta percreta, hysterectomy, placental abruption, tobacco, cocaine, hypertension, preeclampsia, trauma, molar pregnancy, hydatidiform mole, gestational trophoblastic disease, paternal genes, hyperemesis gravidarum, complete mole, partial mole, snowstorm appearance, curettage, hysterectomy, monitor hcg, malignant choriocarcinoma, gestational trophoblastic neoplasia, birth control, preeclampsia, hypertension, proteinuria, pulmonary edema, abnormal placenta, stroke, placental abruption, seizures, eclampsia, magnesium sulfate, HELLP syndrome, hemolysis, elevated liver enzymes, low platelets
