Hormonal contraceptives

Question 1

How does the copper IUD work? (4)

Answer 1

• it causes low grade inflammation
• reduces sperm transport
• it’s toxic to the oocyte and zygote
• it impairs implantation

Question 2

How does the hormonal IUD work? Include what it contains

Answer 2

it contain progestins

• it affects the cervical mucus, reducing sperm transport
• has local effects on the endometrium
• may prevent ovulation

Question 3

How does the combined oral contraceptive work?

Answer 3

• suppresses ovulation
• affects feedback to the hypothalamus and anterior pituitary
• affects the mucus produced by the cervix to prevent sperm penetration

Question 4

How does the progestin-only contraceptive work?

Answer 4

it effects the cervical mucus to prevent sperm penetration

Question 5

How does the subdermal progestin implant work?

Answer 5

• acts by disrupting the follicular growth and ovulation

- long lasting