Ob Unit 6 Flashcards
0
Q
HORMONAL METHODS OF CONTRACEPTIVES
A
HORMONAL METHODS
- Inhibit ovulation
- Cause endometrial changes that inhibit implantation
- Cause cervical mucus changes that are hostile to sperm
- Birth control pills/ ring/ patch, implanon, Depo-Provera
- Effectiveness can be decreased with certain medications
- *******Antibiotics, antiretrovirals, anticonvulsants, sedatives, antifungals, & antituberculosis drugs
- Failure due to omission of a pill, failure to replace contraceptive patch/ring, failure to get injectable dose at 3 month intervals
- Potential contraindications for use:
- *******Thromboembolic disease (DVT, PE), cerebrovascular disease, coronary artery disease, hypertension, hx of breast cancer, gallbladder disease, liver disease, estrogen-dependent tumors, smoking over the age of 35, diabetes for more than 20 years, less than 1 month postpartum
- ****Dependent on the amount of estrogen & progesterone in each “type”
- NO protection against HIV or other STIs
1
Q
ISSUES TO CONSIDER WITH CONTRACEPTIVE OPTIONS
A
- Comfort with their body
- Desire to keep contraception independent of intercourse
- Degree of cooperation they can expect from their partner
- Protection against STIs
2
Q
The hormonal method oral contraceptives (the pill)
A
- Must remember to take every day
- Combination pill with estrogen and progesterone most common
- Suppress action of hypothalamus & anterior pituitary leading to low levels of FSH & LH
3
Q
EMERGENCY CONTRACEPTION
A
- May be used after consensual unprotected intercourse as well as after sexual assault
- *******Methods include:
- *******Combined oral contraceptives (COCs)
- *******Progestin only pills (POPs)
- *******Copper IUDs
- *******Mifepristone – RU 486 (not used in US)
- *******Ella – prescription only – effective within 120 hours of unprotected sex
4
Q
PELVIC INFAMMATORY DISEASE
A
- Ascending infection of pelvic organs (uterus, tubes,ovaries, & supporting structures
- ****Can extend to cause pelvic peritonitis
- ****Gonorrhea/chlamydia infections most frequent cause
- ****High incidence with IUD users (increased risk up to 3 wks after insertion)
- ****Most apt to occur at end of menstrual period
- ****Major concern for FERTILITY later on
5
Q
HERPES GENITALIS
A
- Causative agent: herpes simplex virus- both Type I (cold sores) & Type 2 (traditional genital infections). Both may occur as vaginal infections b/c of oral-genital contact
- Signs & Symptoms: Same for both types!
- **Primary episode- blister like vesicles that appear a few days to 20 days after exposure. Rupture spontaneously to form extremely painful, open, ulcerated lesion, dysuria, flu-like symptoms, genital puritis or tingling.
- **Also may have inguinal lymph node enlargement.
- **Symptoms last 2-3 weeks.
- **After lesion heals, virus dormant residing in nerve ganglia of affected area.
- **Male may have lesions, greenish-yellow discharge, dysuria, urinary frequency
6
Q
Herpes Genitalis
A
- Diagnosis: pap smear, colposcopy, or HPV DNA test
- Treatment: NO CURE!!
- **Treated with acyclovir (zovirax), valacycovir (valtrex), or famciclovir (famver) to shorten shedding time
- **OR given at 36 weeks gestation to prevent active lesions.
- **May cleanse or douche with betadine solution or Burrow’s solution to prevent secondary infection.
- **Vit. C or lysine frequently suggested to prevent recurrence
7
Q
Herpes Genitalis
A
- Maternal Implications: Presence of an active lesion at time of delivery will require a C/section delivery.
- **Virus can transfer into amniotic fluid after ROM. 20-50% rate of spontaneous AB or stillbirth if infection occurs in 1st trimester.
- **Increased risk of cervical cancer questionable
- Fetal/Neonatal Implications: Ascending virus after ROM or direct contact with virus as baby passes thru birth canal almost always transmit infection to baby.
- **May be asymptomatic for 2-12 days, then develop fever, jaundice and seizures.
- **50% of babies who survive, suffer severe permanent brain damage.
8
Q
Herpes Genitalis
A
- Other Significant Information: Primary episode usually the worst. * Recurrence triggered by emotional stress, menses, ovulation, pregnancy, vigorous intercourse, poor health, tight clothing, overheating.
- Recurrence usually less painful.
- Teach patient to keep genital area clean & dry, wear cotton undies.