Contraception Flashcards
When fertile, how much does body temp increase by?
> 0.2 degrees
Post ovulation, what is cervical mucous like?
Thick and sticky
Barrier methods of contraception?
Condoms
Femidom
Diaphragm
Spermicide
What 3 criteria are needed for lactational amenorrhea method of contraception?
Exclusively breast feeding
Less than 6 months post natal
Amenorrhoeic
What is IUD?
Intrauterine device
What is an intrauterine device and how does it work?
Copper coil
Copper changes the competitions in uterus in inhibit fertilisation, implantation and sperm penetration of the uterus
Affect of IUD on bleeding?
Can cause menorrhagia and dysmenorrhea
Contraindication against IUD?
Pelvic infection
What is IUS?
Intrauterine system
Types of IUS?
Mirena
Jaydess
Difference between marina and Jaydess?
Mirena has higher dose of progestogen and lasts five years instead of three
What hormone does IUS release?
Progestogen
Affect of IUS on periods?
Makes them lighter and less painful
Contraindication of IUS?
Pelvic infection
How does the implant work?
Inhibits ovulation
Thickens cervical mucous
Where does the implant go?
Subdermally in the upper arm
How long does the implant last for?
3 years
How does the depo injection work?
Inhibits ovulation
Thickens cervical mucous
Weight gain with implant?
About 2 kg
Affect on ovulation after stopping injection?
May be a delay in ovulation - about 10months
How often do you get the depo injection?
12 / 8 weeks depending on which one
How do you take the progestogen only pill (POP)?
Taken same time every day, no break between packs
Hormone released by POP?
Progestogen
What available time window is there when taking POP?
12 hours for new
3 hours for old
How hormone does vaginal ring release?
Flexible ring releasing oestrogen and progestogen
How does vaginal ring work?
Inhibits ovulation and get withdrawal bleed
How do you use the vaginal ring?
Inset on day 1 and leave for 3 weeks.
Remove on day 22 for a 7 day interval
What is the contraceptive patch?
Transdermal patch releasing oestrogen and progestogen
What may affect the efficacy of the contraceptive patch?
If > 90kg
How does patch work?
Inhibits ovulation
How do you use the contraceptive patch?
Apply patch on day 1, change on days 8 and 15 and remove on day 22 for a 7 day break
What does the combined oral contraceptive pill contain?
Oestrogen and progestogen which inhibit ovulation and then get a withdrawal bleed
When is COC contraindicated?
Migraine with aura
How do you take the COC?
Take for 21 days and then take a 7 day break
Benefits of CHC?
Decreased menorrhagia/ dysmenorrhea
Decreased risk of ovarian, endometrial and bowel cancer
Decreased menopausal symptoms
What do you do if you miss the pill?
If less than 24 hours, take the pill now and the next one at the usual time
If miss 2 pills of the first 7 days, use emergency contraception of unprotected sex since end of last pack
Short term oestrogenic side effects of of CHC?
Breast tenderness Nausea Cyclical weight gain Bloating Vaginal discharge
Progestogenic side effects of CHC?
Mood swings PMT Vaginal dryness Sustained weight gain Acne Decreased libido
Risks with use of CHC?
Venous disease
Arterial disease
Breast and cervical cancer - but this decreases after 10 years of stopping
Problem with sterilization?
Permanent and irreversible
What happens if pregnancy with female sterilisation?
Increased risk of ectopic
Complications and risks of vasectomy?
Bruising and haematoma
Chronic testicular pain
What does a Vasectomy do?
Vas deferens are ligature and excised or men cauterised
How is female sterilisation carried out?
Filshie clip occlusion with anaesthetic
