Fertilisation or fertilization, also known as generative fertilisation, syngamy and impregnation, is the fusion of gametes to give rise to a new individual organism or offspring and initiate its development.

When does conception start in pregnancy?

Pregnancy begins when a sperm fertilizes an egg. This usually occurs in the 2 weeks following the first day of the most recent menstrual period. In the first few weeks of pregnancy, a woman may have no symptoms. Some can sense that they are pregnant, but most do not suspect it until they miss the next period.

Whats does conception mean?

Conception: 1. The union of the sperm and the ovum. Synonymous with fertilization. 2. The onset of pregnancy, marked by implantation of the blastocyst into the endometrium.