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Sexual development (Male :man::skin-tone-2: (13-16 (sperm produced on…

- - - - puberty
        
        male :man::skin-tone-4:
        
        12 1/2
        
        first ejaculation
        
        14
        
        peak muscle and organ growth
        
        12
        
        penis growth begins
        
        15
        
        voice lowers and visible facial hair
        
        11 1/2
        
        pubic hair begins to grow
        
        10
        
        testes and scrotum grow larger
        
        9 1/2
        
        testes increase production of testosterone
        
        starts between 8-15
        
        hormones
        
        female
        
        estrogen
        
        "egg" producing
        
        regulates menstrual cycle
        
        responsible for secondary sex characteristic
        
        progesterone
        
        "egg" setting
        
        promotes growth of sex organs
        
        builds lining of the uterus
        
        maintains pregnancy
        
        male
        
        testosterone
        
        causes the changes of puberty
        
        activates masculine behavior patterns
        
        made by testicles
        
        Sexual Response cycle
        
        Excitement- myotonia + heart rate increase
        
        male- erection, testes enlarge, scrotal skin thickens
        
        female- vaginal lubrication, clitoris swells, breasts enlarge
        
        Plateau - vasoconstriction, myotonia, rapid breathing
        
        male- head of penis increases in size
        
        female- contracting vaginal opening in preparation for sex
        
        effects
        
        organization - hormones predisposing
        lower animals toward
        masculine/ feminine mating patterns
        
        activating - stimulation of the sex drive and facilitation of the sexual response
        
        Orgasm - intensely pelvic contractions + accompanied by intense pleasure
        
        male- semen collects at base of penis + muscle contractions propel ejaculate out of body
        
        female- manifested in 3-15 contractions of the pelvis muscles that surround the vaginal barrel
        
        myotonia = muscle tension
        
        Resolution - body gradually returns to pre-aroused state
        
        male- refractory period (not responsive to sexual stimulation)
        
        female- stay in "high" state
        
        vasocongestion = engorgment of blood which swells genitals during sexual arousal
        
        :family:
        
        STI
        
        2 more items...
        
        Pregnancy! :baby_bottle:
        
        5 more items...
        
        Sexual dysfunction
        
        4 more items...
        
        Or Not Pregnant! :forbidden:
        
        2 more items...
        
        period of rapid physical growth + sexual maturation
        
        primary vs secondary
        
        primary= directly involved in reproduction (testicles, ovaries) :eggplant::peach:
        
        secondary= not necessary for reproduction (odor, acne, hair) :haircut:
        
        sequence is universal, but timing varies
- - - - puberty
        
        female :woman::skin-tone-2:
        
        10
        
        breast bud stage
        
        11
        
        pubic hair begins to appear
        
        9 1/2
        
        uterus + vagina begin to grow larger
        
        11 1/2
        
        height spurt
        
        9
        
        ovaries increase production of estrogen + progesterone
        
        12
        
        peak muscle + organ growth
        
        12 1/2
        
        1st period
        
        Female hormonal cycle :recycle:
        
        secretory phase- when the uterus is waiting for the egg to be fertilized
        
        follicular phase- period where the egg is growing
        
        proliferative phase- when the uterine lining is growing
        
        luteal phase- period where uterus is resetting
        
        menstruation- when the uterus is shedding its lining
        
        13
        
        1st ovulation
        
        14
        
        voice lowers
        
        15
        
        final pubic hair pattern
        
        16
        
        full breast growth