Value of Post-transfer Day-12 Beta Human Chorionic Gonadotropin Levels for Pregnancy Outcome Prediction of Intracytoplasmic Sperm Injection Cycles Journal title: Balkan Medical Journal Authors: İnci Kahyaoğlu, Berfu Demir, Sezin Ertürk Aksakal, İskender Kaplanoğlu, Leyla Mollamahmutoğlu Subject(s):