Being aware of these possibilities, you might wonder if there is something you can do to prevent these complications while you are trying to get pregnant. Beyond selecting a partner who is also Rhesus negative (and, did you know two people who tested Rh negative can still have an Rh positive baby? Really!), there is little you can do to prevent getting pregnant with a baby who is Rh positive. During the preconception stage, there is nothing you need to do about the fact you are Rh negative and trying to conceive. Except... choosing an OB in advance, because you will likely need a shot of Rhogam prenatally and right after birth to avoid sensitization. This is hardly any more than a routine procedure these days, but one that can be life-saving for future babies (NOT the currently planned pregnancy). Because there is a slight chance RH negative women might have been sensitized during times other than pregnancy, you may want to check this out. But that is extremely rare.