Lesson 4 Flashcards
1
Q
each cell has …
A
23 pairs and 46 chromosomes
2
Q
types of prenatal screening…
A
- using mom’s blood sample
- non-invasive prenatal testing (NIPT), can do as early as week 9, looking for missing or extra chromosomes
3
Q
types of prenatal diagnostics…
A
- chorionic villus sampling (CVS), obtaining fetal cells from placenta, normally done in week 10-13
- amniocentesis, obtaining cells from amniotic fluid - done later weeks 15-20
4
Q
prenatal testing is for …
A
pregnant people with higher risk factors, but newborn testing is for everyone
5
Q
A