Contraception Flashcards
(29 cards)
Sperm on average (mean) have been shown to survive for
1-2 days
Up to 7 days
Oocyte average lifespan
17 hours up to 24 hours
Ovulation occurs how many days after menses
12-16 days before a woman’s next menses
How old can we rely on breastfeeding as a contraception
6 month
How do breastfeeding offers contraception
Suckling increases the production of prolactin, decreases the release of GRH and suppresses ovulation
Fraser guideline is applied in
Contraception
Ttt of STDs
Termination of Pregnancy
Otherwise, we use Gillick competency
The contraceptive method with lowest failure rate
Implanon
Implanon failure rate
0.05%
5/10000
Contraceptive methods failure rate
Implanon 0.05%
Vasectomy 1/1000
Mirena & DMPA 2/1000
COC & POP 3/1000
Female sterilization 5/1000
IUCD 6/1000
Why DMPA is not used at extreme of age
Osteoprosis
When to insert IUD after delivery
Less than 48hr PP
AFTER 4 weeks
How much progesterone in DMPA
150 mg
When to put and remove vaginal diaphragm
Put 3 hrs before intercourse
Remove 6 hours after
The type of estrogen in quadriphasic CHC (qlaira)
Estradiol valerate
Cancers risk increased and reduced by CHC
Inc:
- cervical
- breast
Dec:
- endometrial
- ovarian
When to start CHC
Start at anytime
- better 1st 5 days of the cycle
If after-> use condom for 1 week
Qlaira:
Start at day 1
If After-> condom for 9 days
How long she takes CHC
3 weeks on
4-7 days off
What antibiotics contraindicated with CHC
Rifampicin
Rifabutin
How CHC causes contraception
By ovulation suppression
When to say its a missed pill of CHC
After 48 ours of the last taken pill
What to do if she missed a CHC pill
If in the 1st week, its critical as she just came out of Hormone free interval, give:
- the old pill
- the new pill
- 7d using barrier
- emergency pill
If 2nd w: no emergency pill
If 3rd w: no EP, no HFI
With CHC, if vomiting or diarrhea
If vomiting within 3 hrs
If severe diarrhea for 24 hr
Take new pill
Type of estrogen usend in Nuvaring and Implanon
Etonogestrel
