Contraception Flashcards
(46 cards)
Contraception
Intentional prevention of preg during sexual intercourse
Factor:
* Must. be used correctly and consistently
* Reliable
* Cost
* Protection from STI’s
* Comfort with method
Note on Fertility Control
Highly individualized
Preference may depend on variety of factors
* Medical contraindication
* Desire for children
* religious, cultural, and personal belief
* Financial means
* Ability to choose
Forms of Contraception
Barrier, Hormonal, Spermicidal, Permanent, Natural Family Planning, Abstinence, Nothing
Barrier Method
Male Condoms
Types: Latex, polyurethane, processed animal skin (lambskin)
Multiple texture and colors
Lubricated and non-lub
Efficacy
* Perfect use - 98%
* Typical use - 88%
Pro’s ( Male Condoms)
Does not req exam
Inexpensive
Wide variety of choices
Protects from HIV and other STI’s
When used correctly, prevents unplanned preg
Non-hormonal
Con’s (Male Condoms)
Requires partner compliance
Does not protect from HPV or HSV
Do’s and Don’ts (MC)
Do’s
* Apply before ANY penetration occurs
* Leave a reservior tip
* Consider using spermicidal lubricant in addition to condoms
* Know that if a condom breaks, seek Emergency contraception (EC)
* Effective way to reduce your risk of contracting most STI’s as well as pregnancy
Don’ts
* Unroll before applying
* Use the same condom more than once
* Use a condom that has expired
* Use oil based lub
* Store in a wallet or hot place
* Use a condom that causes burning or itching… may be sensitive to latext or spermicidial lub
Barrier Method
Internal Condom
Female condom
Placed in vag or anus
Made of nitrile
Efficacy: 79-95%
Barrier Method
Diaphragm
Reusable dome-shaped, silicone cup that covers the cervix; insert in vag b/4 sex to prevent preg
Should be used w/ spermicide to block sperm
Must remain in place at least 6 hours after intercourse
Need fitting to the size of the cerivx
Needs refitting after delivery or if pt loses/gain weight (>10lbs)
Efficacy with spermicide: 92-96%
Barrier Method
Cervical Cap
Made of soft silicone
Covers the cervix
Must be used with spermicide
Can be left in up to 2 dys
Need fitting/ refitting after delivery or weight loss/ gain
Efficacy: 71-88%
Barrier Method
Contraceptive Sponge
One and Done
Soft, disk-shaped device made of polyurethane foam that contains spermicide
Inserted in the vag before sex to prevent sperm from entering the uterus
Efficacy: 76-88%
Spermicide
Gels, foams, films, cream, suppositories
Nonoxynol-9: protects against chlamydia and gonorrhea but not HIV
Inserted into the vag before every act of intercourse
No presription needed
Efficacy
* Perfect use- 95-97%
* Typical use- 82%
can casue skin breakdown if used to many times, higher risk for STI
Toxic Shock Syndrome
Life threatening bacterial infection (straph, strep, etc)
Bacteria release toxin into the bloodstream
Link to superabsorbent tampons or tampons left in place for too long
Scratches in the vag allow bacteria to enter
Patient w/ history of TSS should avoid using the contraceptive sponge, diaphram, vag ring, and tampons
Oral Contraceptives (OCPs; “The Pill)
Hormonal contraception
Contain sythetic estrogen and progesterone
One pill taken every dy/month
Prevent pregnancy in three ways:
* Inhibts ovulations
* Alter cervical mucus
* Alter endometrial lining
Efficacy: 98-99.5%
Two types of OCPs
Combined Estrogen/Progesterone Pills
More freq prescribed
More Effective in preventing preg
Offer non-contraceptive benefits of estrogen
around the same time/dy
Two types of OCPs
Progesterone Only Pills
mini pill; POPs; Opill
Used in patients who can’t tolerate combined OCPs or are breastfeeding women
Active pills taken every day- no placebo week
Must be more vigilant in use; less effective than combined OCPs
**Menses likely irregular **
* Example: Micronor
Have to take it at the same time every day
Contraindications to OCP use
Preg
Undiagnosed vag bledding
Active liver diease/ Cloting disorder
Migraines w/ neurological symptoms
* Blurred vision/loss of vision
* Numbness/tingling in face or hand
Estrogen dependent carinoma
Uncontrolled hypretension
Over 35 and smoker
Depression that worsens with OCP’s use
History of DVT
if sucide depression a lot then no OCP
OCP’s
Common Side Effects
Nausea
Altered Menstural Cycle
* Break through bleeding (BTB)
* Amenorrhea
Water weight gain
Breast fullness/tenderness
Increased vag discharged
Major Adverse Reactions
Severe abdominal pain
Sudden change in eyesight
Coughing up blood
Yellowing of skin or eyes
Pain in calves or legs
Weakness/numbness on one side of the body
Severe, recurrent, or presistent headaches
The adverse reactions are more likely to occur in smokers !!!!
Signs of Complications w/ OCPs
A: abd pain
C: chest pain
H: headaches
E: eye problems
S: severe leg pain
not so good pts for OCP who can’t remember to take it (teenagers)
Starting OCPs
Must be initiated with menses ( NOT PREG)
* First day of cycle ( protected from first pill)
* First sunday in cycle ( protected after 7dys of active pills)
Break through bleeding common in first three months
* Pt need reassurance that this is normal and will stop
Preventing Preg while taking OCPs
Find out other med interact with OCPs
May decrease effectiveness of OCPs
* Phenytoin ( Dilantin)
* Carbamazepine ( Tegretol)
* Phenobarbital
* Topiramate ( Topamax)
Use back- up method 7days if you:
* Restart your pill
* Have vomitting or diarrhea
* Forget to take your pill
Take pills at the same time each day
If you miss one pill, take two the next day… if you miss three start a new pack ?
Non-Contraceptive Benefits OCPs
Regulates menstrual cycle
Decreases
* Dysmenorrhea
* Blood loss during menses
* risk of endometrial/ovarian cancer
* Risk of ectopic preg
* Risk of Toxic Shock Syn
* Risk of ovarian cysts
* Risk of benign breast disease
* Risk of osteoporosis
OCPs
Pro’s
Female controlled
Easily concealed
Approximately same cost as condoms
Wide variety of choice