Posted on 23 Jan 2025 in Pregnancy
The Rhesus (Rh) factor is a protein on red blood cells. If you have it, you’re Rh-positive; if not, you’re Rh-negative. This becomes important during pregnancy when the mother is Rh-negative, and the baby is Rh-positive, inherited from the father. When the baby’s Rh-positive blood cells mix with the mother...