bio 30 reproductive system topic 3 and 4

birth control pill

uses synthetic estrogen and progesterone to inhibit GnRH, FSH, and LH which inhibits follicular growth and ovulation

must take at the same time every day

the patch

uses estrogen and progesterone and is replaced weekly

the nuvaring

a solicone ring worn inside the vagina that secrets hormones, can take it out for up to 1 hour without losing effectiveness and is replaced monthly

depo provera “the shot”

a shot of hormones (high in progesterone)

taken every 12 months

emergency contraception pull

can be taken up to 5 days after expoure to sperm and is essentially a high dose of estrogen and progeserone that prevents ovulation.

is NOT the abortion pull and does not remove an implanted embry from the uterus

lactational amenorrhea method

the use of breastfeeding as a contraceptive method. it is based on the physiological effect of suckling to supress ovulation by inhibiting mentral hormones

Preventing ovulation: hormonal methods

birth control pill

the patch

the nuvaring

depo proveta “the shot”

ECP

lactational amenorrhea method

vasectomy

vas deferens is cut, sutured, cauterized, or clamped shut,

tubal ligation

oviducts are cut, cauterized, or clamped shut. this ahs no effec ton mentral cycle because the hormones move through the blood.

castration

any surgial or chemical procedure where the female loses the ovaries and the male loses thet testes

hysterectomy

sergical removal of the uterus (can be a complete or partial removal where the cervix remains

preventing fertilization methods

vasectomy

tuba ligation

catration

hysterectomy

condoms

sheath that acts as a barrier - prevents sperm from entering female reproducitve tract

diaphragm

small cup filled with spermicide placed around cervix and acts as both a barrier and chemical protection

spermicide

contains the chemical NON-oxynol-9 and comes in the form of sponges, creams, jellies, foam, film

preventing fertilization methods

condom

diaphragm

spermicides

intra uterine devide (IUD)

small device placed in the uterus that kills sperm. must be put in/ removed by doctor and can be work for 5 years (hormonal) to 12 years (copper)

Bacterial Infection

• most have no symptoms

• can be cured by antiboitcs

• spread through contract with infected bodu fluids

bacterial infections

chlamydia, gonorrhea, syphilis

viral infection

no cure but many symptoms can be alleviated by medication

most have no symptoms

viral infections

HPV, Herpes, Hepatitis B and C

parastic infections

trichomoniasis, crabs and scabies

sterile

unable to have children

unfertile

diffculty conceiving

possible causes of sterility/infertility in men

blocked epididymis

low sperm count

high proportipon of abnormal/not viable sperm

impotence

possible causes of sterility/infertility in women

blocked fallopian tubes

failure to ovulate

damaged eggs

endometriosis

intrauterine insemination

sperm are collected and concentrated then placed in the uterus

surrogacy

through IUI or IVF or both, infertile coup contribute gametes and baby is carries by another woman

superovulation

hormone treatment stimulated production andovulation of multiple eggs (2-4)

vasectrom reversal

reconnection of the vas deferens after a vasectomy

in vitro fertilization

10-12 eggs close to ovulation are remmoved from follicles then sperm and eggs are combined in Petri dish

morula or blastocyst is placed in uterus