A 32 year old primiparous lady with a period of amenorrhea of 34 weeks presents with vaginal bleeding and intermittent abdominal pain for 3 hours. There is no history of abdominal trauma. Her pregnancy was uncomplicated prior to this, while her medical history is unremarkable. Her blood group is AB -ve, while 1500 IU of anti-D immunoglobulin was administered at 28 weeks of amenorrhea.
Cardiotocography shows a baseline fetal heart rate of 150 bpm with reduced variability.
Pelvic ultrasonography shows the placenta to be embedded posteriorly in the upper segment of the uterus. No other abnormalities can be discerned.
WBC/DC: 7,400/mm3 N: 70% L: 25% Hb: 7.9 g/dl Hct (PCV): 28% Platelets: 300,000/mm3
INR: 1.0 (normal) APTT: 32 s (normal) TT: 12 s (normal) S. Fibrinogen Level : normal