Contraception

Question 1

What is the definition of contraception?

Answer 1

Any method to prevent pregnancy

Question 2

What are three ways in which contraception can prevent pregnancy?

Answer 2

Blocking sperm transport, disruption of HPG axis, inhibit implantation

Question 3

How long postnatally can the lactational amenorrhoea method of natural contraception last?

Answer 3

Six months, after that no longer form of reliable contraception

Question 4

How does a high dose of progesterone prevent ovulation?

Answer 4

Progesterone has negative feedback on production on LH and FSH and also enhances the negative feedback of oestrogen so no LH surge causing ovulation

Question 5

How do lower doses of progesterone help to prevent pregnancy?

Answer 5

Thicken the cervical mucus

Question 6

What are some advantages of the combined oral contraceptive pill?

Answer 6

Reliable if used correctly, can relieve menstrual disorders, reduces risk of endometrial/ovarian cancer and can alleviate acne symptoms

Question 7

What are some disadvantages of the combined oral contraceptive pill?

Answer 7

User dependent, increases risk of breast cancer, cervical cancer, CVD. Can have side effects of spotting (AUB), breast tenderness and mood disturbance

Question 8

What are some advantages of the progesterone only pill?

Answer 8

Reliable if used correctly, can be used if COCP contraindicated

Question 9

What are some disadvantages of the progesterone only pill?

Answer 9

Strict timings for taking pill, menstrual irregularities (spotting), increased risk of ectopic pregnancy