Week 5 Contraceptives/STDS Flashcards
What questions are important to ask the patient about birth control? (6)
•Is it important that I don’t get pregnant right now?
•Do I plan to have children in the future?
•Would a pregnancy be a problem now?
•Is this method safe for me? (Health Concerns)
•How does my partner feel about birth control?
•Is this method easy to use?
•How often do I have sex?
•Do I need a method that helps protect me from HIV and other STDs?
What are the 4 methods of birth control?
1.Barrier methods: condoms, spermicides (foams and creams), diaphragm, cervical cap
- Hormonal methods: oral contraceptives, injections, implants, patches, cervical rings, IUD’s
- Natural family planning: calendar, basal body temperature, cervical mucus, coitus interruptus (withdrawal), breastfeeding
- Sterilization: tubal ligation, vasectomy
Barrier methods
•block sperm
-male condom = 88% effective, w/spermicide 99%
-female condom = 79% effectiveness
Advantages: protects from STD, easy to use/carry.
Disadvantages of condoms (4)
-Must be put on during sex every time
-Some men say it reduces sexual feelings
-Condoms with spermicide may irritate vagina or penis
-Some people are allergic to latex
IF* not used every time/correctly or if there are skin breaks where fluid can enter the body stds could still occur.
Foams, gels, suppositories, films
•Often combined with condoms
•Made of chemicals that kill sperm, placed into vagina before sex
• Effectiveness: 74-94% (depending on care taken with use).
•When used with condoms-99% effective.
Foams, gels, suppositories, films advantages/disadvantages
Advantages:
•Easy to buy and carry
•Used only when needed
•May help protect against some* STDs
Disadvantages:
•Must be put in shortly before sex
•Messy
• May cause irritation of vagina or penis
•not effective against HIV
What is a Diaphragm
•Small rubber cup fits inside vagina, over the cervix
•Used with contraceptive cream or jelly that kills sperm
•Must be fitted by a clinician
•Effectiveness: If you are very careful each time, 94%, not very careful each time, 80%
•Few health problems, small risk for toxic shock syndrome
•More bladder infections for some women (pressure placed on bladder)
Diaphragm advantages/disadvantages
Advantages:
• Can be put in 2 hours before sex
• May help against some STDs (not HIV)
Disadvantages:
•Must be left in place 6-8 hrs after sex
• Some say it’s hard to put in and take out
•Some women feel the diaphragm(especially when urinating)
•Can be messy (cream or jelly may cause irritation)
•No protection against HIV
What is a cervical cap?
Similar to the diaphragm, but smaller (causes less pressure on urethra)
• Comes in 4 sizes (may not fit some women)
•Effectiveness: 82%
•Advantages: can remain in place for 48 hours, no feeling of pressure
Disadvantages:
•insertion is more difficult (due to size)
•effectiveness lower than diaphragm
•no use during menses
•dislodgment
•cervical/vaginal tissue irritation
Hormonal contraception action
Alters hormone fluctuations of menstrual cycle (prevents ovulation and good development of endometrium)
The pill
•most widely used hormonal contraceptives in US
•inhibits maturation of the follicle and ovulation
Combined oral contraception
•Estrogen/ Progestin combination
•Prevents FSH & LH release from the pituitary (preventing maturation of follicle/ovulation)
•Effectiveness: Careful 99%, not careful 95%
•21 or 28 day packets
Progestin only Pill
•breastfeeding mom can ONLY use progestin pills. Estrogen drys up milk
•can be used during breastfeeding
•start 4-6 weeks after delivery
•needs to use other barrier methods before starting pill. Can get pregnant again
Advantage/ disadvantage of the pill
Advantages:
•Highly effective, simple & easy to use
•Not too expensive
•Doesn’t interfere with sex
•less bleeding/cramping with periods
•less chance of PID, ovarian/endometrial cancer
• Regulates menstrual cycle, improves Endometriosis
Disadvantages:
•Side effects: weight changes, moodiness, spotting, breast tenderness, nausea, headaches.
•Must remember to take every day
•No protection against HIV and STDS
•Risks: Very small chance of blood clots, heart attacks, strokes, may cause HTN
Hormone injections
•Depo-Provera (progesterone)-injectable progestin (1 shot x3months)
•Action: Prevents ovulation , thickens mucus in cervix so it is hard for sperm to enter uterus- 99% effective
•might stop period - hard to tell if you’re pregnant or not
Should not be used by women with liver or heart disease, breast cancer or blood clots
•Few serious problems for most women, Can cause bone-density problems in teens (can only be used for up to 4 years)
Depo-Provera advantages/disadvantages
Advantages:
•Doesn’t interfere with sex
•Lasts 3 months
•Often decreases bleeding & cramping seen with periods
•Safe to use while breastfeeding
•Less chance of ovarian or endometrial cancer
Disadvantages:
•Must have injection by HCP
•May cause heavy, irregular, light periods, or no period at all
• May not be able to get pregnant several months after shots are discontinued
•May have weight changes (5.4 lbs. 1st year, 8.1 ,2yrs, 13.8, after 4 years)
•moodiness, depression, headaches or dizziness
•No protection against HIV/ STDs
IUD Action
•Small device put inside uterus by a clinician copper ParaGard & Mirena
•Action: immobilizes sperm, prevents implantation
• Effectiveness:98-99%
•need to check string 1x month for placement/migration in uterus
IUD Advantages/ Disadvantages
Advantages:
• Always in place, doesn’t interfere with sex
•Effective for 5-10 years (check string length monthly)
Disadvantages:
•Side effects: Menorrhagia, dysmenorrhea-more bleeding and cramping, pain during period
•Should not be used by women with multiple partners, no protection against HIV or STDs
•Increases chance of pelvic inflammatory disease
(PID, Ectopic pregnancy, and perforation of the uterus)
STD RN Responsibilities for Health Hx of Pt
•Health History, sexual history, age of first intercourse, # of partners, unsafe sex, a partner with an STD, personal hx of STD or Pelvic infection, ectopic pregnancy or loss
•He sleeps with you- you sleep with everyone he’s been with
•Medications and contraceptives
•Physical exam
•Sensitivity
•Confidentiality
STD TRANSMISSION
•Mode of Transmission: most commonly by sexual contact, blood, blood products, auto-inoculation
•Highest Risk Age group: 15-24 years old