Reproduction and Conception Flashcards
when is differentiation of the external genitaliacomplete
12 weeks
where does spermatogenesis occur
epididymis
what do all glands in the male repro tract secrete and why
alkaline frutose colution
alkaline - urine is acidid
fructose - energy to swim
what does the hypothalamus secrete
GnRH
what does the anterior pituitary secrete
FSH and LH
when are males capable of reproduction
13.5 y/o
Tanner stages
measure of sexual maturation
what tanner stage signals male puberty
Stage III
when are women capable of reproduction
8-13 y/o
what tanner stage signals female puberty
III or IV
when does menarche occur
2-2.5 years after puberty
what is menarche
1st menstrual period
spinnkarkeit
elasticity of cervical mucus
mittelschmerz
ovulation pains
pregnancy after 50
uncommon
when does fertility begin to decline
35-40
most pregnancies over 35 y/o are
unintentional
how long should contraception continue after LMP
12 months
5 P’s of sexual health history
Partners in last 12 months Pregnancy status Protection from STI's Practices Past Hx of STI's
consistency with contraception outweighs
absolute reliability
abstinence
refraining from sexual intercourse
abstinence pt Ed X3
- saying no
- yes to other sexual activities
- requires self control
abstinence advantages
failure rate is 0%
effective if practiced perfectly
abstinence disadvantages
not common amongst peers
unrealistic
abstinence risks
none if abstinence is maintained
lactational amenorrhea
exclusive breastfeeding for 6 months - avoid ovulation and menses
lactational amenorrhea pt ed
- effectiveness is enhanced by frequent feedings or use of barrier methods
- disruption of breastfeeding or supplementing increases r/o pregnancy
- alternate method once menses returns
lactational amenorrhea advantages
inexpensive
lactational amenorrhea disadvantages
failure rate high since 1st ovulation is unpredictable
lactational amenorrhea risks
unplanned pregnancy
coitus interruptus aka
withdrawal
withdrawal method
removal of the penis prior to ejaculation
withdrawl pted
preejaculate fluid may contain sperm and can leak prior to ejaculation
withdrawal advantages
choice for monogamous couple with religious conviction
withdrawal disadvantages
failure rate is 22%
no protection against STD’s
require self control on males part
withdrawal risks
unplanned pregnancy
fertility awareness
awareness of fertile cycle
fertile days
sperm is 4-5 days and ovum is 24-48 hours
fertility awarness advantages
works best with regular menstrual cycles
acceptable to religions who prohibit birth control
fertility awareness disadvantages
interfere with sexual spontaneity
poor choice for irregular cycle, breast feeding, perimenopause
family planning calendar
based on ovulation - occurs approx. 14 days prior to menses
when should you avoid intercourse with family planning
days 8-19
calendar method advantages
inexpensive
no drug or hormones
combined with barrier method to improve effectiveness
calendar method disadvantages
failure rate 24%
no protection against STI’s
unpredictable menstrual cycles/ovulation
compliance with abstinence during fertile period
calendar method risks
unplanned pregnancy
symptothermal method
assessment of BBT, cervical mucus and other symptoms near ovulation
symptothermal method pt ed
measure BBT same time each morning prior to getting out of bed
BBT decreases before ovulation and increases after ovulation
avoid intercourse until 3rd night after increased BBT
BBT will then decrease 2-4 days before menses or remain increased if pregnant
BBT advantages
inexpensive
accepted by most religions
BBT disadvantages
failure rate 24%
stress, fatigue, illness, or environmental temp can affect
no protection against STI’s
BBT risks
unplanned pregnancy
cervical mucus method
cervical mucus becomes thin, flexible and stretches between fingers at ovulatoin
cervical mucus pt ed
good hand hygiene
obtain mucus from vaginal introitus
examine for consistency start on last day of cycle
observing for thinning characteristic
cervical mucus advantages
women become knowledgable regarding mucus
self-evaluation diagnostically helpful in recognizing ovulation
cervical mucus disadvantages
failure rate - 24%
uncomfortable touching her own genitals and mcus
no protection against STI’s
cervical mucus risks
inaccurate if mixed with blood, semen, contraceptive foam or discharge
unplanned pregnancy