Can an egg from the girl only be fertilized when it is in the oviduct? If the egg is at the uterus already, can the sperm fertilize it? - Quora
Can an egg from the girl only be fertilized when it is in the oviduct? If the egg is at the uterus already, can the sperm fertilize it? - Quora
How do egg cells “know” not to accept more sperm once fertilized? How do they keep the rest out? - Quora
![Preserving All Your Options: Eggs, Embryos and Sperm: OC Fertility® + OC Biogenix®: Fertility Clinic Preserving All Your Options: Eggs, Embryos and Sperm: OC Fertility® + OC Biogenix®: Fertility Clinic](https://i.ytimg.com/vi/biNW-sujQ74/maxresdefault.jpg)