â˘1st episode of menstrual bleeding (signifies puberty) preceded by increased progesterone and estrogen by ovaries; usually between 12-13 years of age
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LH menstrual cycle
â˘rupture of follicle & ovulation
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FSH menstrual cycle
â˘maturation of follicle
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Estrogen menstrual cycle
â˘building of endometrial lining
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Progesterone menstrual cycle
â˘prepare uterus for pregnancy, relax uterus
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Average cycle length
â˘every 28 days; occurs every 21 to 35 days; lasts 2-8 days
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phases of menstrual cycle
⢠follicular/proliferative phase, secretory/luteal phase and ischemic/menstrual phase
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Follicular phase
â˘Day 6-13
â˘Ovaries less active=low estrogen & progesterone
â˘FSH increases=maturing of follicles which
stimulate estrogen production=decreased FSH
(Negative feedback controlled by hypothalmus)
â˘Estrogen released by follicle as it matures
â˘Stimulates thickening of endometrial lining
â˘As estrogen increases FSH decreases
â˘Drop in FSH signals LH release
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Ovulatory phase
\-Approximately Day 14
â˘Surge of LHĂ rupture of follicle = ovulation
â˘Ovum lives 24 hrs max
â˘Ruptured follicle becomes corpus luteus
â˘Corpus luteum supports egg until placenta takes or egg dies
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Luteal phase
â˘Day 15-21
â˘Estrogen & Progesterone released from corpus luteum
â˘Maintains uterine lining
â˘If no pregnancy corpus luteum degenerates
â˘Estrogen & Progesterone levels fall
â˘Leads into pre-menstrual phase
â˘If one is pregnant=high levels estrogen & progesterone which inhibits LH & FSH so ovulation decreases during pregnancy
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Pre-menstrual phase
â˘Day 22-28
â˘Corpus luteum has degenerated (only lasts 8days)
â˘Hormones decrease
â˘Will lead to lining shedding
â˘Leads back to menses back to day 1
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Ovulation related body changes
â˘Cervical mucus- due to increased estrogen
â˘Basal body temperature- increase 24-28 post ovulation
â˘Mittleschmertz- abdominal pain at time of ovulation
â˘Midcycle spotting
â˘All of these used for data in Natural Family Planning
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Primary functions of the male reproductive system
â˘Create, protect & transport sperm
â˘Deposit sperm in female reproductive system
â˘Produce male hormones
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Penis
â˘3 columns of erectile tissue covered by thin layer of skin
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Prepuce
â˘foreskin of uncircumcised male
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functions of the penis
â˘micturition; ejection of seminal fluid during intercourse
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functions of the scrotum
â˘houses and protects testes
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Scrotum
â˘Protective pouch suspended between penis and anus
â˘Darker skin, left testes generally hangs lower than the right
â˘House and protect the testes
â˘Allow for temp regulation of testes- must stay approx. 2 degrees below body temp
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Cremaster muscle
causes fluctuations in scrotal size
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Testes
â˘pair of male gonads
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Functions of testes
â˘produce sperm (spermatogenesis)- inside Seminiferous tubules & produce male sex hormones (androgens)
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Epididymis
â˘tightly coiled, lays just outside testes
â˘Storage and maturation of term
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Vas defrens
â˘straight tube
â˘Connects epididymis to seminal vesicle
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Ejactulatory duct
â˘Urethera
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Spermatogenesis
â˘Process of sperm production
â˘Begins at puberty
â˘Stimulated by FSH & LH
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Characteristics of sperm and semen
â˘Slightly alkaline
â˘2-5 mL at ejaculation
â˘Approximately 120 million sperm cells/mL
â˘5 million WBC/mL
â˘Can survive 72 hours post ejaculation (if ideal conditions)
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Fertility
â˘Related to: number, size, shape, motility
â˘Sperm production affected by: contact sports, smoking, tight clothing, autoimmune disorders, varicosities in scrotum, or decreased sperm motility
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Male Testosterone
â˘Stimulates enlargement of testes & accessory organs
â˘Development of secondary sex characteristics
â˘-Body hair
â˘-Voice deepening
â˘-Thickened skin
â˘-Increased musculature
â˘-Linear growth
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Complete history for reproductive assessment
â˘Allergies
â˘Past medical history
â˘Surgical history
â˘Psychological history
â˘Family history
â˘Sexual history
â˘Social History- alcohol/tobacco/THC
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Steroids in women
â˘Decrease production of LH and FSH by pituitary
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Antihypertensive in women
â˘Raise prolactin-hampers ovulation
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CNS drugs in women
â˘Raise prolactin-hampers ovulation
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Thyroid meds in women
â˘Interfere with ovulation
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Testosterone supplements and steroids in men
Impair sperm production
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Long term use of opiates in men
lowers testosterone and sperm production
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5 alpha-reductase inhibitors in men (treats BPH)
lowers sperm production
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Alpha blockers (treat BPH) in men
interfere with ejaculation
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SSRIs in men
lowers sperm motility
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Reproductive history in women
â˘Sores
â˘Discharge
â˘Itching
â˘Pain
â˘Burning
â˘Hx of cysts or fibroids
â˘Hx of pap smears
â˘Family hx of reproductive cancers
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Menstrual history in women
â˘LMP
â˘Age of menarche
â˘Cycle frequency
â˘Length of cycle
â˘Heaviness of flow- how many pads/tampons in 24 hr period
â˘PMS- bloating, headaches, cramps, mood changes
â˘Bleeding between periods
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Pregnancy history in women
history- GTPAL- remember your gravida/para, nulliparous, multiparous, ect.
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reproductive history in men
â˘Sores
â˘Discharge
â˘Problems with scrotum or testes
â˘Lumps, bumps, swelling of scrotum
â˘Hernias
â˘Family hx of prostate cancer
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Sexual history in men
â˘Sexually active
â˘Satisfaction
â˘Pain with intercourse
â˘Bleeding with intercourse (female)
â˘Age of first sexual experiences
â˘Sexual preferences
â˘Partners within last 12 mo? Last 2 mo? Lifetime partners
â˘Current partners
â˘Contraceptive use
â˘Hx of STI
â˘Strategies to prevent STI
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Female breast exam
â˘Various positions-seated with arms down, arms up, lean forward, hands on hips or on back with pillow under should of side examining
â˘Clavicular & axillae areas
â˘Pain
â˘Discharge-from nipple
â˘Unilateral nipple inversion; asymmetry is normal
â˘Education- self breast exam
â˘-Inspection in mirror- first step
â˘-Palpation
â˘-Compress nipple
â˘-Report
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Physical assessment of the female reproductive system