Primary Cesarean Section = first time a mother has delivered by Cesarean.
Use the first day of the last menstrual period to calculate the due date.
The quick way to do it in your head is to count backwards 3 months from the first day of the LMP, then add 7 days.
There are 4 “degrees” of lacerations: A first degree laceration 1E is minor and does not involve muscle.
A second degree laceration 2E is equivalent to a median episiotomy, and does involve some muscle. Usually seen in association with: P = the outcome of those pregnancies.