Reproductive System - Chapter 27 Flashcards
Contraception: Prevention of Pregnancy
- Behavioral
- Mechanical barriers
- Spermicidal
- Hormonal
- Surgical
Behavioral Contraception
- Abstinence
- Using a calendar to calculate fertile period and abstaining on those days
Spermicides
- Kill sperm
- Foams, jellies, creams
Mechanical Barrier Contraceptives
- Block sperm from entering the uterus
- Condoms, diaphragms, cervical cap
Surgical Methods for Contraception
-Female tubal ligation and male vasectomy
Types of Condoms
- Latex condoms
- Polyurethane condoms
- Lambskin condoms
- Invisible condoms
- Female condoms
Diaphragm
- Rx only in canada
- Spermicide is placed in the diaphragm before insertion
- Must be inserted before sexual intercourse and remain in the vagina for 6-8 hours after
Intrauterine Device (IUD)
- Prevents fertilization
- Do not protect against STI’s
- 2 Types: copper, and hormonal
- > 99% effective
Copper IUD’s
- Small T-shaped device wrapped in copper
- Stops sperm from making their way through the uterus into the fallopian tubes
- Nova T, FlexiT, Liberte
Hormonal IUD’s
- Progestin secreting device, inserted into the uterus
- Thickens cervical mucus, thins endometrial lining
- Release levonorgestrel
Generic: levonorgestrel
Plan B - oral
Mirena - IUD
Jaydess - IUD
Hormonal IUD’s ADR’s
- Acne
- Weight gain
- Headache
- Spotting for first 3 months
Oral Contraceptives (OCP or BCP)
- Contain a combination of an estrogen + a progestin or a progestin only
- Generally 21 or 28 day
OCP MOA
- FSH and LH secretion is inhibited through negative feedback
- Mature follicles do not develop and ovulation is prevented
Classification of Combination OCP’s
- First generation
- Second generation
- Third generation
- Fourth generation
First Generation Combination OCP’s
ee + ethynodiol or norethindrone as the progestin
Second Generation Combination OCP’s
ee + levonorgestrel
Third Generation Combination OCP’s
ee + norgestimate or desogestrel
Fourth Generation Combination OCP’s
ee + drospirenone
Oral Contraceptives ADR’s
- Loss of appetite
- Pain or muscle soreness
- Change in menstrual pattern
- Breast tenderness
- Cramping
- Signs of vaginal infection
- Blurred vision
- Weight gain
- DVT, thromboembolism, heart attack, stroke
OCP Contraindications
- Pregnancy
- Breastfeeding
- History of blood clots
- Smokers >35 years
- < 6 weeks postpartum
- Hypertension
- Focal migraine
Progestin Only OCP
- Known as minipill
- Used if there is a contraindication to estrogen
- Taken as 28 days of active pills
- Critical to take on time
Progestin Only OCP Examples
-norethindrone
Generic: norethindrone
Micronor
Non-oral Hormonal Contraceptives
-Progestin only hormone injection given by a health care professional every 12 weeks to prevent pregnancy
Non-oral Hormonal Contraceptives Examples
-medroxyprogesterone
Generic: medroxyprogesterone
Depo-Provera
Depo-Provera SC
Emergency Contraception
- Safe and effective way to prevent pregnancy after unprotected sex
- High dose of levonorgestrel
- Must take within 72 hours of unprotected sex
Emergency Contraception MOA
- Delays or prevents the ovaries from releasing an egg
- Alters cervical mucus and prevents fertilization
- Changes lining of uterus to make it difficult for a fertilized egg to implant
Menopause
- The termination of menstrual cycles
- Usually marked by 1 year without menstrual cycles
Symptoms of Menopause
- Nervousness
- Hot flashes
- Chills
- Excitability
- Fatigue
- Insomnia
- Heart palpitations
- Headache
- Numbness
Hormone Replacement Therapy
-Typically involves administration of oral or vaginal estrogens to minimize the symptoms of menopause
Dosage Forms of Estrogen Examples
- conjugated estrogens
- estradiol
- estropipate
Generic: conjugated estrogens
C.E.S
Premarin
Congest
Generic: estradiol (Oral)
Estrace
Generic: estradiol (Transdermal Patch)
Estradot
Climara
Oesclim
Generic: estradiol (Vaginal Ring)
Estring
Generic: estradiol (Transdermal gel)
Estrogel
Divigel
Generic: estradiol (Vaginal Tablet)
Vagifem
Generic: estropipate
Ogen
Progesterone Therapy Drugs Examples
- medroxyprogesterone
- progesterone
Generic: progesterone
Prometrium
Generic: medroxyprogesterone
Provera
Progesterone/Estrogen Combination Products Examples
- conjugated estrogens/medroxyprogesterone
- estradiol/norethindrone
- estradiol/drospirenone
- estradiol/progesterone
- ethinyl estradiol/norethindrone
Generic: conjugated estrogens/medroxyprogesterone
Premplus
Generic: estradiol/norethindrone
Estalis
Activelle
Activelle LD