Prenatal Development

Question 1

What is the difference between an Obstetrician, Gynecologist and OB/GYN?

Answer 1

Obstetricians focus on pregnancy and birth. Gynecologists focus on women’s health. OB/GYN can do both practices.

Question 2

How long is the prenatal period?

Answer 2

40 weeks (9 months)

Question 3

Stage 1

Answer 3

Fertilzation

Question 4

Stage 2

Answer 4

Implantation + Germinal Stage

Conception to 2 weeks

Question 5

Stage 3

Answer 5

Embryonic Stage

2 to 6 Weeks

Question 6

Stage 4

Answer 6

Fetal Stage

9 weeks to birth

Question 7

What is the fertilized egg called in stage 1?

Answer 7

Zygote

Question 8

How long does stage 2 last, and what is happening during this time?

Answer 8

2 weeks, Forms ball of cells called morula. Day 4 becomes a fluid filled cavity forms blastocyst. Attached to wall of uterus.

Question 9

What role does the hormonal hCG have?

Answer 9

Produces progesterone to maintain pregnancy.

Question 10

How long does stage 3 last?

Answer 10

2 to 6 weeks

Question 11

What is the tissue called during stage 3?

Answer 11

Embryo

Question 12

Why is stage 3 the most critical stage? What is being developed at this time?

Answer 12

Body systems are being developed.

Question 13

During stage 4, what is the developing tissue called?

Answer 13

Fetus

Question 14

How long does stage 4 last?

Answer 14

9 weeks to birth

Question 15

What’s the difference between a genome and an epigenome?

Answer 15

Genome is the blueprint, while epigenome is environmental.

Question 16

Where is genetic material stored?

Answer 16

Nucelus

Question 17

How many chromosomes does each person have?

Answer 17

23 pairs

Question 18

Which chromosome pair determines sex?

Answer 18

23 (XX or XY)

Question 19

Mom has the dominant gene (B) for brown hair, and dad has the recessive gene (b).

What is their child’s genotype?
What is the phenotype?

Answer 19

Bb
Brown hair

Question 20

How can the mother’s toxic stress impact a growing child.

Answer 20

Lose ability to grow, sleep problems, or early birth.

Question 21

What’s the difference between presumptive and positive signs of pregnancy?

Answer 21

Presumptive are Assumptions.
Positive are true.

Question 22

Name three presumptive signs of pregnancy.

Answer 22

Tired, Naursea, Aches/Pains

Question 23

Name three positive signs of pregnancy.

Answer 23

HCG production, Ultrasound, Fetal Movement/Heartbeat.

Question 24

What are the seven major things women need to do during pregnancy to stay healthy?

Answer 24

• Medical Care
• Nutrition and Hydration
• Apprproate Weight Gain
• Physcial Activity
• Hygiene Practices
• Rest

Question 25

A woman who is already a healthy weight should expect to gain about how much weight during pregnancy?

Answer 25

25-35 pounds

Question 26

If a baby only weighs 6-8 pounds at birth, where is the rest of the weight gain coming from?

Answer 26

Blood, Fat, Body fluids, breasts, placenta, uterus, and ambiotic fluid.

Question 27

Bones begin to form and baby is about 1/4 of an inch at the beginning of the month.

Answer 27

Month 2