Complex sentence: Dicloxacillin is Pregnancy Category B-with no conclusive studies about its fetal effects; however, penicillins do show up in breast milk and caution should be taken in nursing women.
Split into simpler sentences: Dicloxacillin is Pregnancy Category B-with no conclusive studies about its fetal effects. However, penicillins do show up in breast milk and caution should be taken in nursing women.