Fertilization: This is the process where a sperm cell merges with an egg cell to form a zygote.
Ovulation: This refers to the release of mature eggs from ovaries during a woman's menstrual cycle, making it possible for conception to occur.
Implantation: This term describes when the fertilized egg (zygote) attaches itself to the wall of uterus, which marks another crucial step in pregnancy after conception.