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
Cell MOVE or TRAVEL to their intended location in the nervous system.
Migration
Cell CHANGE or TRANSFORM in a particular type
Differentation
Organs start to functions
By the end of first trimester
more refined activities such as occasionally thumb sucking appears
During Second trimester
The baby grows, develops, and starts to change position to get ready for birth
Third trimester
the environmental events and maternal conditions during pregnancy
Fetal programming
Any disease, drug, or other environmental agents that can harm a developing fetus
Teratogens
The prenatal environment is affected by how the mother feels about being pregnant
Emotional condition
Most doctors recommend a well balanced diet since it can help reduce the risk of having low-birth weight babies
Nutritional condition
