Contraception and Sexual Health Flashcards
How does the COCP inhibit ovulation?
Oestrogen and progestogen act on the hypothalamo-pituitary axis, reducing LH and FSH. No surge in LH and FSH to stimulate the ovaries, no ovulation
A woman tells you she has been taking the COCP pill but sometimes forgets. She’s heard of the combined transdermal patch. How does this work? How often does she has to change this patch?
How does this work? By inhibiting ovulation. Progesterone in the COCP also stops endometrial hyperplasia by opposing proliferative effect of oestrogen.
How often does she has to change this patch? Change once a week.
Name 2 side effects of the COCP
Any from: Nausea, abdominal pain, breast pain and tenderness, break through menstrual bleeding irregularities.
Name a drug interaction you would check for before confirming a prescription for the COCP
Liver enzyme inducing drugs, lamtrogine, anti-HTN drugs, antifungals, Abx, anti-DM meds, statins, diuretics, levothyroxine, tacrolimus
A woman comes to see you and wants to start some contraception. She is 36 and smokes 15/day. What contraceptive methods would you avoid?
COCP, combined transdermal patch, combined vaginal ring
Describe the mode of action of the POP
1) Increases the volume and viscosity of cervical mucus to reduce likelihood of sperm fertilising egg, 2) suppresses LH and FSH to suppresses ovulation, 3) reduces number and size of endometrial glands and so inhibits the number of progesterone receptors in the endometrium so prevent implantation, 4) reduces activity of cilia in Fallopian tube.
Who can not use the POP (i.e. what are contraindications)?
Over 55 years old. PMH or current Hx of breast cancer. Severe liver disease. Epilepsy.
What ADRs/side effects would you make a woman aware of before prescribing POP? Name 3.
Menstrual irregularities, mood swings, increased acne risk, breast discomfort, fluctuations in weight, ovarian cysts, risk of ectopic pregnancy, changes in libido, headaches, migraines, small increase in breast cancer risk
Name an advantage of the copper IUD
Do not need to think about taking every day. Does not affect mood/libido/weight/sex. No increased cancer risk. Can be used as emergency contraception for up to 5 days post-coitus. Can be used if breastfeeding. Easily reversible if want to get pregnant - fertility returns to normal.
A woman and her male partner come in to discuss contraception. She does not want to take anything hormonal. What contraception methods could you suggest?
Copper IUD, male or female condom, diaphragm which sits at top of cervix, fertility awareness methods
A woman comes in for a review of her POP. What may be present in her Hx which means she is unable to take the COCP?
She may… be over 50, be older than 35 and a smoker, be breastfeeding, have a high BP reading, be at higher risk of VTE, have a PMH of migraines with aura, have DM, have a FH of valvular heart disease.
A patient has made an informed decision to try a POP. You prescribe Cerazette which contains 75ug Desogestrel. How long is her time window to take this pill?
12 hour time window each day.
Name an indication for the evonergeotrel IUS (Mirena coil)
Any from: Menorrhagia, dysmenorrhea, endometriosis, fibroids
How do post coital ‘morning after’ pills work?
Prevent or delay ovulation.
Define mental capacity
The ability to make a decision at a given time point.