💡 Active phase begins at 6cm (new WHO guidelines). Friedman curve.

💡 Preeclampsia = HTN + Proteinuria (or end organ damage). Eclampsia = + Seizures. Give MgSO4.

💡 PPH most common cause = Uterine atony. APH painful = Abruption. APH painless = Previa.

💡 Cervical cancer = HPV 16, 18. Ovarian = CA-125, mostly epithelial.