Fertilization and Pregnancy Flashcards

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1
Q

Through intercourse – ___________ million sperm enter the
vagina

A

15-200 million

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2
Q

Movement of sperm is mainly facilitated by

A

cervical mucus and movement of fimbriae and cilia

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3
Q

when can the sperm and egg meet after intercourse?

A

anywhere from minutes to days

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4
Q

About _______ sperm get to egg

A

100

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5
Q

fertilization takes place in the _____

A

fellopian tube

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6
Q

Capacitation

A

1st stage of fertilization

removal of sperm’s acrosomal coat (done
by secretions from uterus)

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7
Q

acrosomal

A

2nd stage of fertilization

reaction – enter the egg

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8
Q

Fertilization

A

3rd stage of fertilization

egg membrane engulfs sperm

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9
Q

Zona

A

4th stage of fertilization

reaction – surface of egg changes to
prevent entrance of other sperm

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10
Q

how much time needs to pass of trying to concieve before considere infertile?

A

under 35 - 1 year

pver 35 - 6 months

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11
Q

IVF

A

reaction – surface of egg changes to
prevent entrance of other sperm

 Involves egg retrieval (often after cultivation),
sperm retrieval, preparation, incubation, and
embryo transfer

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12
Q

During Invitro _____analogs indirectly increas _____

A

GnRH

FSH/LH

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13
Q

during IVF Mature eggs are harvested from the ______

A

oviducts

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14
Q

HCG

A

helps prime uterine cavity for
developing

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15
Q
A
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16
Q

ART side effects

A

Side effects: • Cost • Time
• Abdominal pain
• Breast tenderness
• Mood swings
• Risks of
bleeding/infection
• Increased risk of
multiple
pregnancies
• Similar rates of
miscarriage

17
Q

ART advantages

A

Offer reproduction for those:
 With anatomical differences
 With hormonal differences
 Who want to have a child by
themselves
 Who want to delay conception until
older
 Who are not in penis-uterus
partnerships

18
Q

science definition of pregnancy

A
  • begins with implantation (about a week
    after fertilization)
19
Q

Between _____of all fertilized eggs never fully implant

A

1/3 to 1⁄2

20
Q

Cells that will turn into placenta secrete

A

gonadotropin (HCG)

21
Q

HCG can be measured in blood __ week after implantation, in
urine ____ weeks later

A

1 week

2 weeks

22
Q

Ectopic pregnancy

A

implanted outside of uterus

no way for it to be viable

23
Q

ectopic pregnancy is diagnosed with ______

A
blood test (hCG)
and ultrasound
24
Q
A
25
Q

how to find due date

A

LMP + 7 days - 3 months = due date

26
Q

stage 1 birth

A

thinning and dilation of
cervix, usually 12 – 19 hours

27
Q

stage 2 birth

A

descent and birth,
usually 20 minutes – 2 hours

28
Q

stage 3 birth

A

delivery of placenta,
usually 5 – 30 minutes