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antidiuretic hormone (ADH), oxytocin
What two hormones does the posterior portion of the pituitary gland secrete?
andrenocorticotropic hormone (ACTH), prolactin, thyroid stimulating hormone, follicle stimulating hormone (TSH), follicle stimulating hormone, luteinizing hormone
What five hormones does the anterior portion of the pituitary gland secrete?
hypothalamic-pituitary-ovarian axis
monthly cycle of hormone secretion and actions
endogenous hormones
hormones produced naturally in the body
females: predominant ones are estrogen and progesterone
males: predominant one is testosterone
combined hormonal contraceptives (CHC)
-Contain a synthetic version of estrogen and progestin
-have generations of progestin
inhibit ovulation by preventing formation of dominant follicle; suppress luteinizing hormone surge
What is the action of CHCs?
oral, transdermal, transvaginal
What are three routes of delivery for CHCs?
Advantages of CHCs
-Ease of use
-High degree of effectiveness
-Relative safety
Differentiation of CHCs
-Strength of estrogen component
-Type of progestin used
-Whether estrogen or progesterone (and androgen) activity predominate
least amount of hormonal therapy while maintaining effectiveness
What is the current goal in regards to CHCs?
Monophasic contraceptives
Estrogen and progestin remain at a consistent level
multiphasic contraceptives
Estrogen and progestin may fluctuate throughout the cycle
delays
Extended use and continuous use CHC ___ menstruation
every 3 weeks
How often does ethinyl estradiol and norelgestromin transdermal patch need to be changed?
leave in for 3 weeks, take out for one week
How often does Ethinyl estradiol and etonogestrel transvaginal contraception need to be changed?
1. circulation
2. thrombosis
Progestin-Only Contraceptives: Benefits
-provides relative safety
-reduced risk of (1) disorders
-deep (2) is high risk if only estrogen
-increased levels of estrogen increase the levels of thrombin in the body, which affects the clotting cascade
progestin-only oral contraceptive pills
-called the minipill
-taken continuously without break for withdrawal bleeding
1. cervical mucus
2. endometrial
3. peristalsis
4. luteinizing
Action of Progestin-Only Oral Contraceptives
-alter (1), making it thick and viscous, which blocks sperm penetration
-interfere w/(2) lining, which makes implantation difficult
-decrease (3) in fallopian tubes, slowing transport of ovum
-interfere w/(4) hormone surge and inhibits ovulation
Depot medroxyprogesterone acetate (DMPA)
-A progestin-only hormonal contraceptive given by intramuscular or subcutaneous injection every 11-13 weeks
-highly effective, long-acting
-side effects: anovulation, amenorrhea
1. follicle stimulating
2. luteinizing
Action of DMPA
-Thickens cervical mucus
-Thins uterine endometrium
-Decreases fallopian tube motility
-Inhibits (1) hormone and (2) hormone, preventing formation of a dominant follicle
Progestin implant
-Single-rod device that contains etonogestrel
-Implanted in inner side of upper nondominant arm
-Removed no later than 3 yrs after insertion
-May be replaced w/new implant
-Contains radiopaque barium for easy location
Side effects of Progestin-Only Contraceptives
-Irregular bleeding and spotting
-Depression, mood changes, fatigue
-Decreased sexual desire, wt. gain
Preventing Fertilization w/CHC (1/2)
-2-5 pills at one time within 72 hrs
-"Emergency contraception" or "morning after pill"
Preventing Fertilization w/CHC (2/2)
-After unprotected vaginal intercourse
-After failure of a contraceptive method
-Raises estrogen & progestin levels to delay or prevent ovulation
-Interferes w/tubal transport of embryo, egg, and sperm
-Reduces pregnancy risk by 75%
-May cause nausea
withdrawal bleeding
-Pseudomenstruation occurring during monthly during 7-day hormone-free period
-Mimics normal 28-day menstrual cycle
(CHCs have 21 day packs + 7 days pill-free)
primary amenorrhea
absence of menses by age of 14 wo secondary sex characteristics or the absence by age 16 w/secondary sex characteristics
Chromosomal alterations
Endocrine disorders
Abnormalities in reproductive organs
What are three causes of primary amenorrhea
secondary amenorrhea
absence of a spontaneous menstrual period for 6 months in women who have had their period in the past
Causes of secondary amenorrhea
Pregnancy
Anovulation - cycle w/no ovulation
hypo/hyperthyroidism
Hyperprolactinemia
Extreme wt loss/anorexia
Polycystic ovarian syndrome
polycystic ovarian syndrome (POS)
disorder in metabolism of androgens and estrogens
side effects of medications for POS
anovulation, hirsutism (facial hair), menstrual irregularities, masculine qualities
menorrhagia
regular menstrual bleeding that lasts longer than 7 days and has a blood loss > 80 mL/day
metrorrhagia
irregular (outside of your normal cycle) menstrual bleeding that lasts longer than 7 days and has a blood loss > 80 mL/day
menometrorrhagia
combination of menorrhagia and metrorrhagia
intramenstrual bleeding
bleeding that occurs between menstrual periods and is usually like in nature (i.e. spotting)
dysfunctional uterine bleeding
-Irregular bleeding w/no organic pathology
-Estrogen combinations w/progestin may be used to normalize bleeding patterns
dysmenorrhea
Pelvic pain associated w/menstrual cycle
Accompanying Symptoms
-Uterine cramping, abdominal cramps, lower back pain
-Changes in bowel patterns, increased bowel movements
-N/V
Surge of prostaglandin early in the cycle
1. prostaglandin
2. cardiac
3. dysfunctional
4. endometrial
Pharmacologic Management of Irregular Bleeding
NSAIDs
-(1) is often the culprit of irregular bleeding
-Mefenamic acid (menorrhagia), ibuprofen, naproxen sodium - be cautious w/(2) patients
Combined Hormonal Contraceptives
-Decreases (3) uterine bleeding
-Suppresses (4) development
-Restores predictable bleeding pattern
-Reduces menstrual flow
-Progestins (synthetic progesterone)
endometriosis
endometrial tissue located outside the uterus
painful, bloody bowel movements; dyspareunia; infertility
Besides dysmenorrhea and pelvic/back pain, what are three S/S of endometriosis?
dyspareunia
painful intercourse
CHCs, progestin therapy, gonadotropin-releasing hormone agonists
What are three pharmacologic managements for endometriosis?
Gonadotropin-releasing hormone (GnRH)
A hormone released from the hypothalamus that triggers the anterior pituitary to secrete FSH and LH.
premenstrual syndrome (PMS)
Cyclic physical symptoms and perimenopausal mood alterations
Cues
Bloating
Mood changes
Fatigue
Edema
Constipation, diarrhea
Acne
Sleep pattern alterations
Decreased libido
Breast tenderness
Usually subsides during menses, occurs within 14 days of onset of menses
nonpharmacologic treatment of PMS
-Empathy and support from family and friends
-Exercise, dietary changes
-Stress-reduction exercises
pharmacologic treatment of PMS
-Antidepressant drugs - SSRIs
-Hormonal therapy
-Dospironolone (Derivative of spironolactone_
infertility
inability to conceive after 12 months of unprotected sexual intercourse
primary infertility
a couple who has never conceived/carried a pregnancy to term
secondary infertility
a couple who has conceived and brought a pregnancy to term, but is unable to conceive afterwards
Assessing Infertile Couple
-Complete health history
-Complete physical exams
-Pap testing, HPV testing, cultures for STI testing
-Lab tests, other diagnostic tests
-Semen evaluation
-Mental health evaluation
-Prolactin disorders, thyroid disorders
PAP testing, HPV testing, cultures for STI testing
What three tests may be done when assessing an infertile couple?
Clomiphene citrate and Bromicriptine (ergot derivative)
What two drugs may be used to induce ovulation (and thus, promote fertility)?
selective estrogen receptor modulator (SERM; competes for estrogen receptors within the hypothalamus and stimulates ovulation)
What's the MOA of clomiphene citrate?
breast discomfort, dizziness
What are two side effects of clomiphene citrate?
1. visual
2. pharmacologic
Clinical Judgment: Clients w/Infertility
Take Action
-instruct pt to report adverse effect such as abdominal pain or (1) disturbances
-ensure pt understands the risks, benefits, and alternatives to (2) therapy
menopause
Transitional process experienced by women as they move from reproductive years into nonreproductive stage of life
perimenopause stage
Ovarian follicles become depleted, causing estrogen to diminish
Cues of perimenopause stage
-Short or long cycles, heavy/light bleeding, periods of longer or shorter duration
-Skipped periods, abrupt stopping of periods, vaginal dryness, oligomenorrhea, menorrhagia, hot flashes
-Insomnia, headaches, irritability, anxiety, mood variation, cognitive difficulties, memory lapses, joint aches, decreased libido
menopause stage
-Permanent end of spontaneous menstruation caused by cessation of ovarian function
-Menstruation has stopped for 1 yr
premature ovarian failure
-Menopause before age 40
-May occur abruptly due to oophorectomy, ovarian function destroyed by radiologic procedures, severe infection, ovarian tumors, endometriosis
postmenopause
-Stage when body adapts to a new hormonal environment
-Production of estrogen and progesterone from ovaries decreases
-Surge of luteinizing hormone causes hot flashes, tachycardia, sleep disruption
hormone therapy
low daily doses of estrogen, either alone or in combination with progesterone, aimed at reducing the physical discomforts of menopause and perimenopause
1. intact
2. hysterectomy
3. menopausal
4. five years
Hormone therapy
-Estrogen-progestin for females w/an (1) uterus
-Estrogen for females w/a (2)
-Relieves hot flashes, vaginal dryness, and related sleep disorders
Boxed Warning:
Should only be used for the treatment of (3) symptoms, at the lowest dose possible, for the shortest duration possible, usually less than (4)
moderate to severe vasomotor symptoms of menopause and vaginal dryness/atrophy
What is the use of conjugated estrogens?
develops and maintains female genital system, breast, and secondary sex characteristics; increases synthesis of protein
What is the MOA of conjugated estrogens?
thromboembolism
What is the life-threatening effect of conjugated estrogens?
1. corticosteroids
2. anticoagulants; oral hypoglycemics
3. antidepressants
Conjugated Estrogens: Drug-Drug Interactions
-Increase effects of (1)
-Decreased effects of (2) and (2)
-Toxicity w/some (3)
SSRIs, Gabapentin, Clonidine, Bremelanotide
What are four drugs for menopausal symptoms?
reduces depression, irritability, mood changes
Besides reducing vasomotor symptoms, what effect does SSRIs have when used for menopausal symptoms?
bremelanotide
Menopausal drug that increases sexual desire
vasomotor symptoms
hot flashes and night sweats
osteoporosis
-Decreased bone mineral density and increased risk of fractures because of alterations in bone microarchitecture
-Progresses silently for decades until fractures occur
resorbed; formed
With osteoporosis, old bone is being ____ faster than new bone is being ____ → bone loses density
spine, femoral neck, and wrist
What are the three most common sites for osteoporosis-related fractures?
dual energy x-ray absorptiometry (DEXA)
a noninvasive procedure that measures bone density
osteopenia
-thinner than average bone density
-BMD of -1.5 to -2.5
osteoporosis BMD
-2.5 or lower
risk factors of osteoporosis
Genetic
Anthropometric
Hormonal and metabolic
Dietary
Lifestyle
Concurrent
Illness and trauma
Drugs (hormonal replacement therapy)
1. 6-12 months
2. breast
3. pelvic
A patient on hormone therapy should have a medical follow-up every (1), including a BP check, (2) examination and a (3) examination.
1. 1200 mg
2. cessation
3. alcohol
4. hypotension
5. fall
Nursing Interventions for Osteoporosis
-women older than 50 years old need (1) of calcium/day
-calcium should be taken w/food
-smoking (2)
-limit (3) consumption
-weight-bearing exercise
-caution in patients who are prescribed drugs that cause (4)
-assessment for (5) risk
biphosphonates
-alendronate, ibandronate, risedronate
-drugs for osteoporosis
action of testosterone
Controls development and maintenance of sexual processes, accessory sexual organs, cell metabolism, and bone/muscle growth
1. androgen
2. replacement
3. puberty
Testosterone: Indications
-(1) deficiency, specifically hypogonadism
-(2) therapy for testicular failure in adult males
-delayed (3) in adolescents
buccal, nasal, transdermal, parenteral
What are four routes of delivery for testoserone?
Drug Interactions of Testosterone
-Oral anticoagulants, calcitonin, parathyroid hormones
-Antidiabetic agents, corticosteroids
-Barbiturates, phenytoin, phenylbutazone
Caution of Testosterone
-HTN, CAD, seizures
-Hypercholesterolemia, renal disease
-infants, prepubertal children, older males
BPH, prostate cancer, men w/breast cancer, hepatic dysfunction
What are four contraindications for testosterone therapy?
Increase protein synthesis in cells resulting in anabolism, especially in muscles
Development and maintenance of masculine characteristics
What is the action of anabolic steroids?
dehydroepiandrosterone (DHEA)
-testosterone precursors
-available OTC as nutritional supplements
-given to women in menopause to balance levels of estrogen and testosterone
doping medications
-Human chorionic gonadotropin (hCG)
-Tetrahydrogestrinone (THG)
1. liver
2. affect
Clinical Judgment: Androgens
Concept: Hormonal regulation
Recognize Cues:
-monitor weight, BP, (1) and thyroid function, blood lab results
-assess pt's expressive (2) during therapy
Analyze Cues
-self-concept, weight gain
Generate Solutions
The patient will maintain a positive self-concept during long-term treatment.
block synthesis/action of androgens
What's the action of antiandrogens?
1. benign prostatic hyperplasia
2. endometriosis
3. puberty
4. virilization
Antiandrogens: Uses
-(1)
-Advanced prostatic cancer
-(2)
-male baldness pattern
-Acne, hirsutism, precocious (3) in boys
-(4) syndrome in women
benign prostatic hyperplasia
-benign growth of cells within the prostate gland
-bladder outflow obstruction
S/S of BPH
Trouble urinating, nocturia, starting/stopping stream of urine, erectile dysfunction, low amounts of semen, hematuria, incontinence, urinary retention
Drugs Used for Treatment of BPH
5-alpha-reductase inhibitors,
Alpha-adrenergic blocking agents,
Phosphodiesterase-5 inhibitors
bacterial vaginosis, chlamydia, gonorrhea, syphilis
What are four common bacterial STIs?
bacterial vaginosis
-healthy bacteria in vagina replaced w/anaerobic bacteria
-thin white discharge w/strong fishy odor
metronidazole and tinidazole; clindamycin
What are three treatments for bacterial vaginosis?
chlamydia
A sexually transmitted disease, the most common in developed countries, caused by a bacterium
Often producing no symptoms, it can cause infertility, pelvic inflammatory disease, ectopic pregnancies, and infertility if left untreated.