Contraception Flashcards
When, following a vasectomy, should semen analysis be done? When is a vasectomy considered a failure?
12 (estimate that suggested that 80% of men will
have no spermatozoa at this interval.)
Failure if still live sperm at 7 months after
Tell me about depo provera and weight gain
The average weight gain in 3kg over 2 years of use. Factors that increase risk of weight gain are: <18, starting BMI .30
A 5% increase from baseline weight at 6 months means likely to continue to gain weight
Is depo provera associated with any cancer risk?
?small increase risk in cervical cancer with over 5 years of use
What time frame should you worry about if you vomit after oral EC?
<3 hours
What time frame should you worry about if you vomit after CHCP?
<3 hours
What time frame should you worry about if you vomit after POP
<2 hours
Describe the bleeding pattern with depo provera
10% ammen at 3 months, 50% at 1 year, 70% by 2 years
Describe the bleeding pattern with POP
At 1 year of use 50% ammenorrhoea or infrequent, 40% regular, 10% frequent/prolonged
Describe the bleeding pattern with Mirena and Jaydess
Mirena 25% ammen at 3 years, Jaydess 13%
What % of CHCP users get irregular bleeding?
20% but most will settle with time
Describe the bleeding pattern with implant
30% infrequent, 20% ammenorrhoea
During a woman’s fertile period, what is the pregnancy risk following a single episode of unprotected sexual intercourse (UPSI)?
30%
What are the failure rates of the different methods of EC?
IUD <1 in 100
UPA 1-2%
LNG 2.6%
When do most women experience their next period after taking LNG Ec?
10% will have a delay in their menstruation, >90% will have it when due or within 7 days of being due
When do most women experience their next period after taking UPA EC?
75% will have it when due or within 7 days of when due
Side effects of oral EC?
10% will get headaches, nausuea, dysmenorrhoea
Inhibition of ovulation is achieved in the majority of women when serum etonogestrel levels are at least what?
90 pg/ml
Following vasectomy what best describes when special clearance to cease contraception can be given:
Less than 100 000 non-motile sperm/ml are observed in a fresh sample
What effect can Sulfasalazine have on men
reversibly reduce male fertility
What effect can Sulfasalazine have on women
have a negative effect on folate levels
When pregnant with a coil in situ what should you tell women?
The removal of the IUC in the first trimester could improve overall pregnancy outcomes and lower the risk of miscarriage, preterm delivery and septic abortion, but is associated with a small risk of miscarriage.
