Contraception mechanism of action Flashcards

1
Q

Combined oral contraceptive pill

A

Inhibits ovulation

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2
Q

Progesterone only pill (excluding desogestrel)

A

Thickens cervical mucus

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3
Q

Desogestrel-only mechanism of action

A

Primary: inhibits ovulation
Also: thickens cervical mucus

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4
Q

Injectable contraceptive (medroxyprogesterone acetate/depot)

A

Primary: Inhibits ovulation
Secondary: thickens cervical mucus

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5
Q

Implant mechanism of action (etonogestrel)

A

Primary: inhibits ovulation
Also: thickens cervical mucus

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6
Q

IUD mechanism of action

A

Decreases sperm motility and survival

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7
Q

Intrauterine system (levonorgestrel) mechanism of action

A

Primary: prevents endometrial proliferation
Also: thickens cervical mucus

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8
Q

EC: Levonorgestrel mechanism of action

A

Inhibits ovulation

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9
Q

EC: Ulipristal mechanism of action

A

Inhibits ovulation

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10
Q

Intrauterine contraceptive device mechanism of action

A

Primary: toxic to sperm and ovum
Also: inhibits implantation

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