gestation and birth

Question 1

when does the heart begin to beat?

Answer 1

1st trimester - 22 days

Question 1

when do the major organs develop?

Answer 1

1st trimester - first few weeks

Question 2

when does the cartilage skeleton begin to harden?

Answer 2

1st trimester - 7th week

Question 3

when have most of the organs formed?

Answer 3

1st trimester - 8th week

Question 4

at week _____ the embryo is known as a fetus

Answer 4

8

Question 5

when does the fetus begin to move in the amniotic fluid?

Answer 5

2nd trimester

Question 6

when does the fetus’s face develop?

Answer 6

2nd trimester

Question 7

what is are the main developments that occur in the third trimester?

Answer 7

rapid growth
brain development
antibody transfer

Question 8

___________ is another name for vaginal childbirth

Answer 8

parturition

Question 9

vaginal birth is accomplished by rhythmic contractions of the utermine smooth muscle, coordinated by ___________ and _____________

Answer 9

prostaglandins
oxytocin

Question 10

explain the three phases of birth

Answer 10

1. cervix thins, amniotic sac ruptures (water breaking)
2. strong uterinecontraction result in the birth
3. placenta and umbilical cord are expelled (afterbirth)