U2: Fetal Development Flashcards
1
Q
Zygote:
A
Cell formed in the earliest developmental stage from 0-2 weeks
2
Q
Embryo:
A
Develops from zygote; 3-8 weeks
3
Q
Fetus:
A
Develops from embryo; 9 weeks-birth
4
Q
Trimester:
A
- T1: 1-13 weeks
- T2: 14-27 weeks
- T3: 28-40 weeks
- Periods of time marked by fetal development
5
Q
Miscarriage:
A
Spontaneous loss of embryo or fetus BEFORE 20 weeks
6
Q
Stillbirth:
A
Loss of fetus AFTER 20 weeks
7
Q
Preterm birth:
A
Birth before 37 weeks
8
Q
Ultrasound:
A
- Imaging that uses soundwaves
–> Produces pics and examines the fetus
9
Q
Amniocentesis:
A
A procedure performed during pregnancy to obtain amniotic fluid to test for chromosomal and genetic disorders
10
Q
Placenta:
A
Temporary organ that develops in the uterus
11
Q
Amniotic Sac:
A
- Transparent membrane
- Protects fetus from injury
- Contains amniotic fluid
- Sac ruptures when “water breaks”
12
Q
Amniotic Fluid:
A
- Surrounds fetus inside the amniotic sac
- Keeps steady temp around baby
- Contains nutrients, hormones and infection-fighting antibodies
13
Q
Umbilical Cord:
A
- Connects fetus to the placenta
- Delivers nutrients and oxygen to baby from placenta
- No longer needed outside of womb
