Preganncy/ conception Flashcards
Length of pregnancy
9 months
38 weeks
266 days
What is germinal period ?
First 2 weeks of pregnancy
The zygote becomes blastocyst
What is blastocyst ?
It occurs a week after conception in 2 parts the placenta and nucleus
what is implantation?
10 days after conception
The burrows on the nucleus
What is the embryonic period?
3rd to 8th week of pregnancy
Embryo
What develops in the embryonic period?
Neural tube Head (eyes, ears, nose, mouth) Mini blood vessels Arms and legs Basic organs
Cephalocaudal development
Head to toe growth Head Neck Core Crawl stand walk run
Proximodistal development
Hear to far growth
Large arm movements - grip items
What is fetal period?
9th week of conception
Fetus
Final 3 months
What is age viability?
Age where fetus might survive with medical help
(Happens around the 22 week)
Low rates of survival
Teratogens
Anything that can increase the risk of abnormalities and birth complications.
Ex: drugs, alcohol, smoking, marine food
What are behavioral teratogens ?
Agents harming the prenatal brain, impairing their future, hyperactivity, antisocial, learning disabilities
Cesarean section
Fetus is removed through incisions in abdomen
What are the risks of cesarean section?
Reduce great feeding
Double rate of childhood obesity
Labor hours
12 hours for the 1st baby
7 hours for the 2nd baby