very true, GinnyMama!
another point, what happened with GinnyMama might not have been detected prior to labor/birth. it may have been something that happened during. (i do not know if she got prenatal care.)
but, most things that require specialized care during pregnancy, we know about prior to pregnancy and can get that care. things that can crop up can usually be felt out or tested out by a UPing mom, such that she can get help when she wants/feels she needs it.