Best time for detecting chorionicity twin pregnancy on USG Is:: (A) 8-12 weeks, (B) 10-14 weeks, (C) 14-18 weeks, (D) 16-24 weeks
Answer is B. <p> Chorionicity of the placenta is best diagnosed by ultrasound at 10-13 weeks of gestation. Reference:DC Dutta&;s textbook of obstetrics,8th edition,page no;237 <\p>