Increasingly in developed countries twin births are caesars; the risk profile of twin births often necessitates this for patient safety.

When a normal vaginal delivery is possible (ie first twin cephalic) generally the second will follow. My partner (obgyn Resident ) says she has had 2 twin births where the first was vaginal and the second Caesar, out of roughly a couple hundred

Well, it would seem that when it does happen it’s a 50/50 split