How far along in pregnancy does a rh- mother get rhogam shot? what are some tips for ttc after mc?

RhoGam vs Godzilla: When Rh-neg blood may be exposed to Rh-pos blood,commonly during pregnancy and blood transfusions.For a first pregnancy,not until the 28th week of pregnancy and again within 72 hours after delivery. For every subsequent pregnancy it will need to be administered at regularly, especially during the second half of the pregnancy.Also after any miscarriage or abortion in order to avoid future problems