@Moon I think not.
"The volume keeps changing depending on the menstrual cycle from 75 cc to 200 cc. Generally, the normal size of the uterus is around the size of the fist of the woman"
https://www.newhealthadvisor.org/Normal-Size-of-Uterus.html
@Moon But load is a spoonful
@Moon If it took 3 cups of cum to get pregnant, then it took somewhere between 150-500 days if they had sex every day