If a first born son is born by Cesarean section, is he entitled to a ‘double portion’ from the yerusha?
Answer:
For purposes of inheriting the double portion of a firstborn, a child born by Cesarean section does not have the status of a firstborn.
Sources:
Rambam, Nachlom 2:11; Shulchan Aruch, Yoreh De’ah 315:2, Choshen Mishpat 277.