chap 4 section 2.docx

why female generally experience no sensations with a tampon inserted vasocongenstion ?pooling of blood in pelvic facilitates conception increase sexual enjoyment Grafenburg Spot ? analogous to prostate gland upper anterior wall of vagina coital positions ? rear entry may produce pleasure stimulation 1st burning 2nd a feeling of urination Breasts ? lactation (milk production) Internal fatty tissue ? determines size of breast Mammary glands Following childbirth small glands called alveoli start producing milk Nipple ? at center of areola self-breast exams Mammography ? x-rays breast lumps most are cysts (80%) breast cancer ? 1 in 9 in US diagnosed radiation, chemotherapy, mastectomy 40,000 die in US every year Early detection vital! Stimulation of breast can bring sexual pleasure Breast implants Reproductive hormones Hormones ? chemicals serve as messengers to organs and glands regulate sexual drive (libido) regulation of menstrual cycle development of primary and secondary sexual characteristics maintenance of pregnancy initiation of lactation Gonatropins ? a group of hormones Estrogen responsible for development of reproductive structure menstruation pregnancy Progesterone maintain uterine lining Ovarian cycle - initiated by pituitary to stimulate hypothalamus 3 Phases Follicular phase begins first day of cycle follicle-stimulating hormone (FSH) ? ovaries to produce estrogen and progesterone luteinizing hormone (LH) to mature ova Ovulatory phase? ovulation occurs