Fertilization. Conception. Complications.

4 Phases of the Menstrual Cycle

Phase 1: Menstrual Phase. Shedding of the unused uterine lining from pregnancy/ fertilization not occurring. Flow is typically 5-7 days. After menstruation stops, preparation for reproduction begins again. Phase 2: Post Menstrual Phase. This is a resting stage since endometrium and uterine lining is thin. Low levels of estrogen and progesterone signal the pituitary to send large amounts of FSH to the ovaries that cause the one egg to mature. Phase 3: Intermenstrual phase: Ovaries release a hormone estrogen that causes endometrium to thicken. Matured egg breaks from the sac and leaves the ovary. This is called Ovulation pregnancy can now occur by male sperms cells swim to fallopian tubes. Phase 4: Premenstural phase. Hormones used to thicken walls. If not fertilized shedding occurs and repeat process. From this point on, till about day 26 or 27 the ovum may accept the sperm in introduced to system, resulting in pregnancy.

4 Phases of the Menstrual Cycle Name: Hour: Phase 1: ____________ Phase 2: ____________ Phase 3: ____________ Phase 4: ____________

STOP HERE!!! Work on book assignment…..

Complication Terms: Sometimes the system or process of reproduction can be flawed, or not work correctly. When this happens conception is more difficult and may not occur.

Breast Cancer Abnormal growth of breast tissue. #2 killer among women. Detected by a lump in the breast. Self- Exams should be done MONTHLY!!

Circumcision: To cut off the foreskin of the penis. If not done, males have Higher risk and harmful effects of of STD’s, infections, and harder time in the ejaculation process.

When the endometrium (lining of the uterus,) backs up into the fallopian tubes instead of being released outside the body. Causes scare tissue and other complications. Endometriosis

Hormone that develops many various female characteristics. Estrogen