Stages of human reproduction
1) Gametogenesis: Formation of sperm in males and ovum in females.
2) Insemination: Transfer of sperms into female genital tract.
3) Fertilisation: Fusion of male and female gamete.
4) Zygote formation: Formation of zygote by fusion of gametes.
5) Formation and development of blastocyst.
6) Implantation: Attachment of blastocyst to the uterine wall.
7) Gestation or embryonic development.
8) Parturition: Delivery of the baby.