2.5+Gestation+and+foetal+development

Once the egg has been fertilised the development of the offspring begins. It must also implant into the lining of the uterus to ensure protection and a continued supply of nutrients. An animation of foetal development and associated risks is shown below:

[|Foetal development]

A good link to view the developmental changes week by week is shown below.

[|Developmental stages...]

and here: [|Week by week...]

Review the stages in the Hirschfeld archive: [|Pregnancy]