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Reproduction > Unplanned Pregnancy > Flashcards

Unplanned Pregnancy Flashcards

1
Q

What is the risk of pregnancy following mid cycle unprotected sexual intercourse?

A

~30%

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2
Q

A 19 year old women presents to her GP asking for emergency contraception. The UPSI was the night before. Her last menstrual period was 1 week ago. What oral medication would you prescribe?

A

Levonelle

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3
Q

A 19 year old women presents to her GP asking for emergency contraception. The UPSI was 4 nights before. Her last menstrual period was 1 week ago. What oral medication would you prescribe?

A

EllaOne

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4
Q

How long after UPSI is levonelle prescribed?

A

72 hours

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5
Q

How long after UPSI can EllaOne be prescribes?

A

120 hours

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6
Q

What is the most effective method of EC?

A

IUD

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7
Q

A 19 year old women presents to her GP asking for emergency contraception. The UPSI was the night before. Her last menstrual period was 1 week ago. She is currently taking phenytoin. What oral medication would you prescribe?

A

EllaOne. Phenytoin is an enzyme inhibitor so reduces the action of levonelle

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8
Q

A 19 year old women presents to her GP asking for emergency contraception. The UPSI was the night before. Her last menstrual period was 17 days ago. What would you prescribe?

A

IUD. Since ovulation is likely to have occured levonelle and ellaOne won’t be effective

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9
Q

A 19 year old women presents to her GP asking for emergency contraception. The UPSI was 4 nights before. Her last menstrual period was 1 week ago. She has been on omeprazole for 2 years.

A

IUD. Antacids interfere with ellaOne

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10
Q

How many days after the earliest expected day of ovulation can the IUD be inserted if UPSI has taken place in the last 24 hours?

A

5

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11
Q

How does levonelle work as emergency contraception?

A

High dose progesterone inhibits ovulation

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12
Q

How does ellaOne work as emergency contraception?

A

Progesterone inhibitor prevents ovulation

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13
Q

What is the active ingredient in ellaOne?

A

Ulipristal acetate

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14
Q

Briefly describe the drug regime in a medical abortion undertaken at 6 weeks gestation.

A
  1. Mifepristone orally

2. 24 - 48 hours later misoprostal taken orally

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15
Q

How does mifepristone work?

A

Progesterone inhibitor causes the pregnancy to detach from the uterus.

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16
Q

How does misoprostol work?

A

It is a prostoglandin which binds to myometrial cells causing myometrial contraction and expulsion of tissue.

17
Q

Briefly describe the drug regime in a medical abortion undertaken at 12 weeks gestation.

A
  1. Mifeprsitone orally
  2. Between 36 - 48 hours later misoprastol vaginally.
    These women would be in hospital for this surgery and a maximum of four further doses can be given at 3 hour intervals.
18
Q

How long do you have to wait before taking the COCP if you have taken ellaOne?

A

5 days

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