Menstrual Disorder Flashcards

1
Q

What is the function of FSH?

A

stimulates ovarian follicle development and granulosa cells to produce oestrogen

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2
Q

What inhibits FSH production during the follicular phase?

A

raising oestrogen and inhibin by dominant follicles

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3
Q

What does the declining FSH levels during the follicular phase cause?

A

atresia of all but the dominant follicle

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4
Q

What happens during ovulation?

A

prior LH surge with dominant follicle rutpuring and releasing oocyte

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5
Q

What is the main hormone produced during hte luteal phase?

A

progestrone

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6
Q

How long does menstrual loss last?

A

4-6 dyas

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7
Q

When does menstrual flow peak?

A

days 1-2

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8
Q

What volume of blood should be lost during menstruation?

A

<80ml

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9
Q

What should not be present in the blood during menstruation?

A

no clots

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10
Q

What is menorrhagia?

A

prolonged nad increased menstrual flow

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11
Q

What is metorrhagia?

A

regular intermenstrual bleeding

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12
Q

What is polymenorrhoea?

A

menses occurring at <21 day interval

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13
Q

what is polymenorrhagia?

A

increased bleeding and frequent cycle

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14
Q

What is menometrorrhagia?

A

prolonged menses and intermnstrual bleeding

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15
Q

What is oligomenorrhoea?

A

menses at intervals of >35 days

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16
Q

What is ameonrrhoea?

A

absence of menstruation >6 months

17
Q

What accounts for 50% of menorrhagia?

A

dysfunctional uterine bleeding- absence of pathology

18
Q

What are fibroids?

A

benign tumours of the myometrium which are not painful

19
Q

What is cervical eversion?

A

endocervical epithelium (columnar) pouted out into vagina

20
Q

What is the most common cause of PID?

A

chlamydia

21
Q

What is adenomyosis?

A

endometrium is presenti n myometrium- pain

22
Q

What is endometriosis?

A

endormetrium not conifned to uterus, tissue is found elsewhere

23
Q

What are the endocrine cuases of menorrhagia?

A

hyper/hypothyroidism; DM; adrenal disease; prolactin disease

24
Q

What sydnrome is molar pregnancy also part of?

A

gestational trophoblastic disease

25
Q

What is dysfunctional uterine bleeding divided into?

A

anovultary and ovulatory

26
Q

What is the most common type of dysfunctional uterine bleedings?

A

anovultary- 85%

27
Q

What causes ovulatory DUB?

A

inadequate progesterone production by corpus luteum

28
Q

Who is anovulatory DUB more common in?

A

obese women; extrenes of reproductive life

29
Q

Who is ovulatory more common in?

A

women aged 35-45

30
Q

How can anovulatory and ovulatory DUB be distinguished?

A

anovulatory has irregular cycle whereas ovulatory get regular heavy periods

31
Q

What is the cut off for normal endometrial thickness of transvaginal USS?

A

4 mm

32
Q

What should be done in all women >40 with menorrhagia?

A

pipelle biopsy to rule out endometrial carinoma

33
Q

What are progestogens?

A

synthetic analogues of progesterone which has a longer half like

34
Q

What is the problem with GnRH analogues?

A

stop periods but risk of osteoporosis

35
Q

What are the surgical mx options for DUB?

A

endometrial resection/ablation; hysterectomy

36
Q

What is the problem with endometrial resection/ablation?

A

20% chance periods will not change

37
Q

What is the primary cause of distortion in patients?

A

bayesian reasoning