OB == Trimesters: 1-12, 13-26, 27-39 Estimating Gestation: # of cm from pubic symphysis to top of fundus with tape measure (20 at umbilicus, use tape curved across abdomen) See also:....................... 1st Trimester Bleeding.......... Anticonvulsants for Pregnant/Seizing.............. Appendicitis in Pregnancy....... Delivery........................ Drugs and Pregnancy............. Ectopic Pregnancy............... Eclampsia/Preeclampsia.......... Fetal Heart Tones: start checking for them at 12 weeks Fetal Monitoring................ Fetal Viability................. HCG testing..................... HELLP Syndrome.................. Hyperemesis Gravidarum.......... Mercy Protocol: Pregnant + bleeding/abd pain Ovarian Torsion................. Ovarian Vein Thrombosis......... Physiological Changes........... Postpartum Hemorrhage........... Pregnancy Testing............... Pulmonary Embolismg/Pregnant.... PUPPP Rash...................... Rhogam.......................... Rh sensitization................ Splenic Artery Aneurysms........ Threatened Abortion............. Ultrasound...................... UTI in Pregnancy................ Vaginitis in Pregnancy..........