Pregnancy ,parturition and lactation

Write differences between parturition and lactation.

Substances to cross placenta || umbilical cord || gestation period || teratogens || parturition || lactation

Male Reproduction System|Female Reproduction System|Menstrual Cycle|Fertilisation|Implantation|Gestation, Parturition And Lactation

During parturition

Male Reproductive System|Female Reproductive System|Spermatogenesis|Sperms|Oogenesis|Menstrual Cycle|Fertilization And Implantation|Parturition And Lactation

Describe the stages during three trimesters of pregnancy. Explain the process of parturition. Add a note on lactation.