Fetal Development Weeks
Placenta
Presumptive, Probable, Positive
Diagnostics
Miscellaneous
100

Urine begins to be produced; gender can be detected

What is weeks 9-12?

100

Days 7-10, this vital formation occurs.

What is forming the placenta?

100

Fatigue

What is presumptive?

100

Prenatal evaluation of chromosomal disorders

What is chorionic villus sampling?

100

Education should include eating several small meals to prevent this discomfort.

What is nausea/vomiting?

200

Mother is able to feel quickening; vernix and head hair appear.

What is week 18-20

200

True/False - The placenta reaches full growth by 20 weeks gestation.

What is false?  

200

Fetal movement

What is positive?

200

Invasive procedure testing for chromosomal abnormalities

What is amniocentesis?

200

Method to determine estimated due date (EDD).

What is Naegele's rule?

300
Viable fetus with medical intervention.

What is week 25-28?

300

Basic hormone for pregnancy test.

What is hCG?

300

Quickening

What is presumptive?

300

Test for antibodies against Rh positive blood

What is indirect Coombs test?

300

Bluish/purple discoloration of the cervix.

What is Chadwick's sign?

400

Fetus is considered term.

What is week 38?

400

Hormone responsible for assisting with cervical dilation

What is relaxin?

400

Chadwick's

What is probable?

400

Performed first trimester to confirm pregnancy

What is transvaginal ultrasound?

400

Irregular contractions described as tightening or pulling.

What is Braxton Hicks contractions?

500
Lanugo is forming and skin is transparent.

What is week 13-16?

500

Supports the endometrium of the uterus; "hormone of pregnancy."

What is progesterone?
500

Positive pregnancy test.

What is probable?

500

Non invasive procedure assessing fetal movement.

What is a nonstress test?

500

Softening of the cervix occurring in the first trimester

What is Goodell sign?