Prenatal Development Flashcards
The beginning of life.
Conception
Every how many days women ovulates?
28 days
Fertilization usually takes place within_____?
12 hours
Sperms can survive up to____?
6 days
_____ refers to being able to get pregnant after a year of trying?
Infertility
- blocked fallopian tubes
- a condition arising when a bits of tissue lining the uterus grow outside the uterus.
Endometriosis
Intrauterine Insemination - Involves injecting sperm
Artificial Insemination
a process in which several eggs are removed from a woman’s ovary
In Vitro Fertilization (IVF)
3 Prenatal Stages
- Germinal Period
- Embryonic Period
- Fetal Period
Last approximately 2 weeks.
Germinal Period
a hallow ball of about 150 cells that is the size of the head of a pin
Blastocyst
Occurs on the 3rd to 8th week after conception
Embryonic period
Last from the 9th week 0f pregnancy
Fetal Period
3 process of brain prenatal development
Proliferation
Migration
Differentation
an intense period of cells
Proliferation