Which of the following complications during pregnancy is least likely to increase risk of post paum atonicity of uterus: (A) Hypeension, (B) Macrosomia, (C) Twin pregnancy, (D) Hydramnios
Answer is A. Hypeension is a risk factor of PPH secondary to decreased coagulation , hepatocellular damage or thrombocytopenia and not due atonicity per say Atonicity causes about 80% of PPH. The causes of atonicity can be : Large uterus- macrosomia, twins, polyhydramnios Infections- PROM, Chorio amnionitis Prolonged labour