Psychology 2040A/B Chapter Notes - Chapter 4: Hearing Loss, Aspirin, Leg Before Wicket

• School: Western University
• Department: Psychology
• Course: Psychology 2040A/B
• Professor: Matthew Brown

Document Summary

Perinatal period: beginning about the 7th month of pregnancy till about 4 weeks after birth. Events in this period include the medical and obstetrical practices associated with delivery, preparations and care provided by parents. Postnatal period: period in development following birth. Females form ~2 million primitive egg cells before their own birth, of which. Only about 400 mature eggs are released for potential fertilization during childbearing years. Male sperm production begins at puberty, when 100-300 million sperm form daily. Opportunity for human conception begins 14 day after the start of the menstrual period. Capsule-like follicle housing a primitive egg cell in one of the ovaries begin to mature. Follicle ruptures after maturing and discharges the egg from the ovary. Egg (ovum) is carried into the fallopian tube provides the environment for fertilization if sperm are present. Fallopian tube moves toward the uterus at 1/16 inch per hour.