WorksheetsDiagnosis
Total questions: 12
Worksheet time: 8mins
This test can be done starting at 10 weeks of pregnancy. It takes about 1 week to get the results. DNA released from the placenta into the blood stream is tested to screen aneuploidy and problems with sex chromosomes.
Amniocentesis
Chorionic Villus Sampling
Cell Free DNA test
Ultrasound
A developing fetus grows in which part of a woman's body?
ovary
fallopian tube
uterus
cervix
Why does the embryo attach to the uterine lining?
So the sperm cells can find it
So it cannot flow out of the body during the period
To get oxygen and nutrients from it
To protect itself as it grows
Twins that are formed when two eggs are fertilized by two different sperm cells are called
Identical twins
Fratenal twins
Multple twins
Twins
When is the embryonic stage?
0-2 weeks
3-8 weeks
9 weeks - birth
8-12 weeks
What advantage does chorionic villus sampling have over amniocentesis?
It is less expensive and noninvasive
It can be performed earlier in pregnancy
It is safer because it only involves a blood test
It can be performed later in pregnancy
What happens if an ovum reaches the uterus without being fertilized?
Menstruation occurs
A stillbirth occurs
The woman becomes pregnant
The egg implants in the uterine wall
A prenatal test in which a small amount of amniotic fluid is removed and tested for abnormalities.
amniocentesis
chorionic villus sampling
