Best confirmation for pregnancy at six weeks:: (A) USG for cardiac activity, (B) Doppler, (C) estimation of serum beta-hCG, (D) Bimanual palpation
Answer is A. In pregnant woman undergoing TVS Gestational sac :4 and half weeks yolk sac :5 weeks fetal node :5 and half weeks fetal hea :6weeks TEXTBOOK OF OBSTETRICS,SHEILA BALAKRISHNAN,Pg no:475,2nd edition