The pre-natal stage lasts approximately nine months, typically divided into three trimesters. It begins with conception and continues until the birth of the baby. This period involves significant physical and developmental changes for both the fetus and the pregnant individual. The duration may vary slightly, but a full-term pregnancy is usually around 40 weeks.
8-9 months or 10 months
First Stage: The first two weeks after conception are known as the Germinal stage. Second Stage: The next six weeks of development are known as the Embryonic stage. Third Stage: The remainder of prenatal development is known as the Fetal stage.
The fetal period occurs during the third stage of prenatal development.
The fetal period of development occurs during the third stage of prenatal development, which is the fetal stage.
The germinal stage is the first stage of prenatal development that begins at fertilization and lasts for about two weeks. During this stage, the zygote undergoes rapid cell division and travels down the fallopian tube to the uterus, where it implants in the uterine lining. The germinal stage ends with the formation of the blastocyst, which is the early stage of embryonic development.
This stage lasts only about two weeks.
Implantation occurs during the blastocyst stage of prenatal development, typically around 6-10 days after fertilization. During this stage, the blastocyst embeds itself into the lining of the uterus in a process that is essential for pregnancy to continue.
1 year.
The final stage of the prenatal period is the third trimester, which spans from weeks 28 to 40 of pregnancy. During this stage, the fetus undergoes significant growth and development, including the maturation of organs and the accumulation of body fat. The mother may also experience physical changes and prepare for labor as the due date approaches. This stage culminates in childbirth, marking the transition from prenatal to postnatal life.
FTG
embryonic
Prenatal, infancy, childhood, adolescence and adulthood.