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Spring 2014 - OB TEST 2 - MENSTRUAL CYCLE ✔️ > Ovulation & Follicular Development > Flashcards

Ovulation & Follicular Development Flashcards

0
Q

How often are ovum released?

A

Once a month

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1
Q

What is ovulation?

A

An explosive release of ovum from a ruptured Graafian follicle

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2
Q

When does ovulation occur?

A

Mid cycle - day 14 of 28

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3
Q

How does ovulation alternate?

A

Monthly between the 2 ovaries

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4
Q

When do ova begin to develop?

A

During the embryonic life

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5
Q

How many oocytes are present at the time of birth?

A

Approximately 200,000 oocytes

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6
Q

What is ovulation regulated by?

A

The hypothalamus

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7
Q

What does the hypothalamus release?

A

Gonadotropins

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8
Q

What stimulates the hypothalamus?

A

Anterior pituitary gland

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9
Q

What does the anterior pituitary gland do?

A

It secretes varying levels of gonadotropins

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10
Q

What are the 3 gonadotropins?

A

Follicle stimulating hormone - FSH
Luteinizing hormone - LH
Luteotropic hormone - LTH

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11
Q

Tell me 2 things about Follicle stimulating hormone…

A

Causes follicle to develop during 1st half of Menstral cycle

Estrogen level rises with follicle maturation

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12
Q

What does Luteinizing hormone does?

A

Triggers ovulation

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13
Q

What does Luteotropic hormone do?

A

Maintains the corpus luteum

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14
Q

What day of the Menstral cycle does ovulation occur?

A

Day 14

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15
Q

What happens to the endometrial lining during ovulation?

A

It continues to grow due to stimulation from increased estrogen levels

16
Q

During ovulation, what happens to estrogen levels and FSH production?

A

Estrogen levels increase and FSH production decreases

17
Q

During ovulation, what does increased levels of estrogen trigger?

A

The release of LH from the anterior pituitary gland

18
Q

LH rapidly increases over what time period?

A

24-36 hour time period

19
Q

What does LH trigger?

A

Ovulation

20
Q

What is an LH surge?

A

LH peaks 10-12 hours prior to ovulation

Used for ovulation prediction for conception - store bought tests

21
Q

What releases the egg during ovulation?

A

The Graafian follicle

22
Q

What directs the egg when it’s released during ovulation?

A

It’s directed by the fimbria into the infundibulum of the Fallopian tube

23
Q

What is follicular rupture associated with?

A

The release of fluid into the posterior cul de sac

24
Q

What does fluid in the posterior cul de sac cause?

A

Irritation to the membrane which causes pain

25
Q

What is the German word for “middle pain”?

A

Mittleschmerz

Spring 2014 - OB TEST 2 - MENSTRUAL CYCLE ✔️ (6 decks)

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