Intrauterine child development: the main stages
When you dream of becoming a mother, plan and experience, then you want to know about your pregnancy from the first day, as well as about the stages of the baby’s development.
About what happens to the child during all 40 weeks, read in our service Pregnancy by week. And today we will talk about the main stages of development of crumbs.
At first the account goes on days a day the baby changes very much, gradually becoming like a small person. Then its development is slower, but almost every week in the body there are important changes.
1 day. Conception occurs when the spermatozoon meets the egg to form a single cell, a size slightly smaller than a grain of salt. This is the future baby, who inherited 23 chromosomes from his father and the same number from his mother. This little cell already contains a complex genetic plan that determines the sex of the baby, its height and even the color of the eyes.
3-4 day. The fertilized egg (zygote) moves down the tube into the uterus, where the uterine mucosa is ready for implantation.
5-9 day. During these several days the zygote grows into the mucous membrane of the uterine cavity and already begins to receive nutrition.