I am pregnant with 30 weeks now. My lmp was 8 nov 2015. I am o - and m husband is o. This is my first pregnancy and I have done ict on 23 may it came negative result. I visited rml hospital there they did not advice for taking rho gam shot now. They said after delivery your baby will be tested then if she is o then you will given rho gam shot. But on net I read it is given after 28 weeks and also after delivery. So I am confuse to go for rml doc advise by not taking shot before delivery. please advise what to do.