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Reproductive System AB > S5.2 Contraception & Infertility > Flashcards

S5.2 Contraception & Infertility Flashcards

1
Q

Describe the mechanism, advantages and disadvantages of natural contraception

A

Eg fertility awareness
A - no hormones needed
D - no STI protection

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2
Q

Describe the mechanism, advantages and disadvantages of condoms

A

M - barrier which prevents sperm entry
A - protects against STIs
D - latex sensitivity

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3
Q

Describe the mechanism, advantages and disadvantages of COCP

A

M - prevents ovulation and thickens cervical mucus
A - can relieve menstrual disorders
D - user-dependent, MI risk

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4
Q

Describe the mechanism, advantages and disadvantages of progesterone depot

A

M - prevents ovulation and thickens cervical mucus
A - can relieve menstrual disorders
D - irregular bleeding

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5
Q

Describe the mechanism, advantages and disadvantages of progesterone implant

A

M - prevents ovulation and thickens cervical mucus
A - long duration
D - procedure required to fit

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6
Q

Describe the mechanism, advantages and disadvantages of POP

A

M - low dose progesterone which thickens cervical mucus
A - used when COCP contraindicated
D - menstrual problems

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7
Q

Describe the mechanism, advantages and disadvantages of intrauterine system (Merina coil)

A

M - plastic device with slow release progesterone that thickens cervical mucus. Lasts 3-5y
A - long duration
D - insertion may be unpleasant

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8
Q

Describe the mechanism, advantages and disadvantages of intrauterine device

A

M - contains copper so toxin to sperm and ovum preventing fertilisation. Lasts 5-10y
A - long duration
D - insertion may be unpleasant

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9
Q

Describe the mechanism, advantages and disadvantages of vasectomy or tubal ligation

A

M - cut vas deferens or Fallopian tube (ovum can’t travel from ovary to uterus)
A - permanent
D - may change mind and want children

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10
Q

Define subfertility

A

Failure of conception in a couple having regular, unprotected coitus for one year
Primary - never had a child
Secondary - struggling to conceive after previous pregnancies

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11
Q

List some causes of subfertility

A

Oligospermia
Ovulation disorders
Hypothalamic-pituitary-ovarian dysfunction
Endometriosis

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12
Q

What investigation can be done in subfertility

A

Female - cervical smear, LH/FSH levels

Male - sperm analysis, testosterone levels

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13
Q

Outline the management for subfertility

A

GnRH agonists (to correct disrupted HP axis)
Weight gain
Artificial insemination

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Reproductive System AB (20 decks)

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