Chapter 6: Conception and Birth Flashcards

1
Q

During what part of a woman’s menstrual cycle is she most likely to get pregnant?

A

during ovulation: day 14

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the three parts of a sperm?

A

Head, mid piece, and tail

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

How many sperm are contained in a typical ejaculate?

A

200 million

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How fast do sperm travel and how long does it take for sperm to reach the egg after ejaculation?

A

Capable of swimming 1 to 3 sm per hour; 1.5 hours after ejaculation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Where does fertilization of the egg usually take place?

A

the outer third of the fallopian tube -near the ovary

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

How do sperm break through the “zona” of the egg?

A

Swarm around the egg and secrete an enzyme called hyaluronidase that dissolves the zona

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is a zygote?

A

Fertilized egg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

If a couple wishes to get pregnant, how can they figure out when it would be best for them to have sex?

A

Determine when she ovulates by basal body temp chart; in a perfect cycle day 14

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

How long can sperm survive within a woman’s body?

A

Five days

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the best sexual position for getting pregnant?

A

Missionary

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What occurs during the embryonic period of fetal development (the first eight weeks)?

A

-most of the major organs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the ectoderm?

A

will form nervous system and skin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the endoderm?

A

digestive system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is mesoderm?

A

muscles, skeleton, tissues, reproductive and circulatory systems

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the placenta and what are its functions?

A

an organ on the wall of the uterus through which the fetus receives oxygen and nutrients and gets rid of waste products

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

How is the placenta related with the physical symptoms of pregnancy?

A

barrier between the fetus and the women’s blood for example if the mom was a cold that fetus will stay completely healthy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What hormones are involved in this process?

A

Estrogen, progesterone, and hCG human chorionic gonadotropin -pregnancy hormone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What is amniotic fluid and what are its functions?

A

Watery liquid that that fetus floats in and can readily move in; maintains the fetus at a constant temp

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What are the different milestones that happen during fetal development? (Refer to Table 1)

A

First trimester: backbone and external body parts develop

  • Second trimester: fetal movement and heartbeat
  • Third trimester: chubby baby
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What are the symptoms of pregnancy that occur during the 1sttrimester?

A

Missed menstrual period, spotting, increase in temperature, tender boobs

21
Q

Why is it important for a woman to detect her pregnancy as early as possible?

A

To start getting prenatal care, get on a good nutrition diet

22
Q

How do pregnancy tests work to detect pregnancy?

A

Immunologic test based on the presence of hCG

23
Q

What are differences between laboratory vs. home (over-the-counter) pregnancy tests?

A

Laboratory are 99% accurate vs home may produce a false negative

24
Q

What are “positive signs” of pregnancy?

A

Beating of fetal heart, active fetal movement, and detection of a fetal skeleton by ultrasound

25
Q

What are physical changes that occur for women during the 1sttrimester of their pregnancy?

A

Large increase in hormone levels produced by the placenta, nipples darken or broaden, morning sickness, vaginal discharge

26
Q

What are Braxton-Hicks contractions?

A

Painless contractions; not a part of labor

27
Q

Is physical exercise good for pregnant women at this time?

A

Modern activity is not dangerous and it is beneficial

28
Q

What are psychological changes that occur for women during the 3rdtrimester of their pregnancy?

A

Well-being is greater with women who have a support system

29
Q

What are the physical and psychological changes experienced by some fathers during their female partners’ pregnancy?

A

Indigestion, gastritis, nausea, change in appetite, and headaches; they want to feel fetal movements and view ultrasounds for a sense of reality

30
Q

How do fathers commonly prepare for having a baby?

A

Larger home, tests to be taken, take classes

31
Q

Is it safe for a couple to have sex while pregnant?

A

Yes

32
Q

What are the best sex positions for pregnant couples?

A

Side to side intercourse

33
Q

What are teratogens?

A

Drugs that produce defects

34
Q

What are the effects of taking antibiotics while pregnant?

A

Stained teeth, bone deformitities, and deafness

35
Q

What are the effects of consuming alcohol while pregnant?

A

Somatic, behavioral, and neurological impairments extending to adulthood

36
Q

What are signs of fetal alcohol syndrome (FAS) in children?

A

Born with undescended testes, small brain, small eye openings, and joint/limb/ heart malformities

37
Q

What is a “safe” amount of alcohol that can be consumed by pregnant women?

A

none

38
Q

What are the effects of using cocaine while pregnant?

A

Premature birth

39
Q

What are the effects of using marijuana while pregnant?

A

Reduced gestational age, fetal growth, and fetal birth weight

40
Q

What are the effects of using steroids while pregnant?

A

Masculinities in a female fetus

41
Q

What are the effects of taking antidepressants or selective serotonin inhibitors while pregnant?

A

Low birth weight and to be in the ICU

42
Q

How might a man affect his offspring by taking drugs or smoking?

A

Damage the sperm and genetic contents

43
Q

What is effacement and dilation?

A

Thinning out and opening up of the cervix

44
Q

What occurs during the early, late and transition stages of first-stage labor?

A

Early: contractions are spaced apart, late is marked by the dilation of the cervix from 5-8 cm; transition: final dilation 8-10cm

45
Q

What occurs during second-stage labor?

A

Stage through which the baby moves out through the vagina and is delivered

46
Q

What is an episiotomy? What are the criticisms of using this technique?

A

An incision made in the skin just behind the vagina, allowing the baby to pass through more easily

47
Q

What occurs during third-stage labor?

A

Stage during the afterbirth is pushed out

48
Q

Why do some women receive a Cesarean section?

A

When normal birth is impossible or undesirable

49
Q

What are rates of Cesarean delivery in the U.S.?

A

32.7%