Second stage of labor stas from: March 2013: (A) Rupture of membranes, (B) 3/5 dilatation of cervix, (C) Full dilatation of cervix, (D) Crowning of head
Answer is C. Ans. C i.e. Full dilatation of cervix Stages of labor 1st stage: Onset of labor to dilatation of cervix - 6-20 hours in primigravida - 2-10 hours in multigravida 2nd stage: From full dilatation of cervix to complete bih of baby 3rd stage: Bih of infant to delivery of placenta