Safer sex, contraception, barrier methods Flashcards
three aspects of safest sex
consent
contraception
comfort
Do condoms increase sexual activity
NO
Latex Condoms pros and cons
inexpensive, readily availabe
not used with oil base lubes
polyurathane condoms pros and cons
good for latex sensitivity, ok with oil based lubes
Looser so may slip off, not as stretchy
polyisoprene condom pros and cons
good for latex sensativity, stretchy like latex
cannot be used with oil based lube, degrades in heat
lambskin condom pros and cons
good for latex sensativity, feels “natural”
does not protect against STI, looser fit
External condom info
Effective against pregnancy
(82% typical vs 98% perfect use)
STI protection
May decrease sensitivity
Accessible
No prescription necessary
Some may be sensitive to material or lubricant
May be cut and used as dental dam
how effective are condoms against pregnancy
(82% typical vs 98% perfect use)
steps for condom usage
Step 1: consent
Step 2: expiration date
Step 3: open from the edge
Step 4: leave a half inch of extra space at the tip and
pinch the air
Step 5: unroll the condom (the right way)
Step 6: business time
Step 7: hold on to base of condom after ejaculation
Step 8: throw it out in the garbage
Step 9: rinse and repeat
difference between two types of internal condoms
material
FC1 -polyurethane
FC2- synthetic nitrile
Internal Condom Info
May be used in a vagina, rectum, or mouth
Protects against STIs (and provides extra surface area)
Effective against pregnancy (79% typical vs 95%
perfect)
No prescription if bought through FC2 website or
clinic/health department
Often free with insurance with a prescription
Not made of latex
May be inserted up to 8 hours before use
how effective are internal condoms against pregnancy?
(79% typical vs 95%
perfect)
how soon can internal condoms be inserted before sex?
8 hours
steps for internal condoms
Step 1: consent
Step 2: expiration date
Step 3: open from the edge
Step 4: may add more lubricant and/or spermicide
Step 5: squeeze the closed end ring together and insert as
deeply as possible
Step 6: let the outer ring hang outside of the vagina/anus
Step 7: business time
Step 8: squeeze outer ring and twist it like a baggie so nothing
spills
Step 9: pull out gently and throw away
Step 10: rinse and repeat
dental dams info
Barrier during oral sex
Made from latex or polyurethane
Come in different colors and flavors – often square
shaped
Can be used with or without lubrication
Works to avoid direct contact
Should only be used once
Sold in most pharmacies and online, available in many
clinics
steps for dental dams
Step 1: consent
Step 2: expiration date
Step 3: unwrap and unfold
Step 4: cover area
Step 5: business time
Step 6: throw away
Step 7: rinse and repeat
median age of first sex in US?
17.8-18.1
median age for marriage
women = 26.5
Men = 29.8
how many americans have sex before marriage
95%
LARC stands for
long acting reversable contraception
LARC effectivnessa gainst pregnancy
99% (most effective)
IUD/Implant (LARC) info
Most effective methods: >99%
No estrogen
Contraindications rare
Anatomic abnormalities
Unexplained abnormal uterine
bleeding
Active pelvic inflammatory disease
Long-term protection: lasts 3-12 years
Rapid return of fertility
Most cost effective
Does not prevent STIs
Copper IUD/Paragard
Copper ions
• No hormones
• 10-12 years of use
• Cost: ~$0- $800, covered by most insurance
• Can be used as emergency contraception
• Won’t eliminate periods
• Common side effect: heavier, crampier periods
• Primary mechanism is prevention of fertilization
• Reduce motility and viability of sperm
IUD’s prevent pregnancy by
preventing fertilization (not abortion)
Mirena
20 mcg levonorgestrel/day (52 mg total)
• Progestin only method
• 5-7 years use
• Cost : ~$0-$950
• Helpful for menstrual suppression
• Amenorrhea in ~40% of users by 1 year • Primary mechanism is fertilization inhibition
• Cervical mucus thickening
• Sperm inhibition (function/motility)
Skyla
has 13.5 mg levonorgestrel
Lasts 3 yrs
Smaller, easier to insert vs marketing
Liletta
has 52 mg levonorgestrel
Is pharmacologically IDENTICAL to Mirena
Lasts 4 years (data to date- but known to be 5)
Affordable version of Mirena
kyleena
has 19.5 mg levonorgestrel
Lasts 5 years
Copper IUD is best choice if
Want periods
Wants hormone-free
method
No history of dysmenorrhea
No history of menorrhagia
OK with heavy bleeding
10+ years
LNG IUD is the best choice if
OK with amenorrhea
OK with irregular bleeding
History of dysmenorrhea
History of menorrhagia
3-5+ years
subdermal implant: Nexplanon
Contains etonogestrel (progestin)
Single rod implanted subdermally inside of upper arm
Lasts for 3 years, ~$ 0 - $850
Thickens cervical mucus, inhibits ovulation
Irregular bleeding common side effect in first few months
Depo-Provera (the shot)
Medroxyprogesterone acetate
150 mg IM every 11-13 weeks (up to 14 weeks)
SubQ 104 mg every 12-14 weeks
Progesterone actions
Suppresses LH and prevents ovulation
Thickens cervical mucus
Atrophies endometrium
Decreases cilia motility in fallopian tubes
Effective for pregnancy prevention (94% typical vs 99% perfect)
~ $0- $120
Depo Prevera cons
Side effects:
spotting/irregular menses,
weight gain*, bone density
(reversible), delayed return
to fertility
50% amenorrhoeic at 1
year
Can’t be immediately
stopped
Estrogen
Previously discussed copper or
progesterone hormones
Estrogen – oral contraceptive pill,
patch, ring
Can help regulate menstrual cycle
May decrease bleeding, may have
other side effects
Increases risk of clot
Reasons to avoid estrogen
Any increased risk of clots:
Liver disease
History of clots/stroke
Immobilization
Migraine with aura
Uncontrolled hypertension
Heart disease
Breast cancer
If > 35 years old and smoke cigarettes
Medication interaction (antibiotics)
Combined oral contraceptive pills
(OCPs, the pill)
Daily pill of estrogen and progesterone
Progesterone inhibits LH (prevents ovulation), thickens
cervical mucus, atrophies endometrium (preventing
fertilization and implantation)
Estrogen inhibits FSH, inhibits ovulation
Some can help decrease free testosterone
Cost ~ $0 – 120 / month
Effective against pregnancy (91% typical vs 99% perfect)