Male Biological Clocks Key: AWL to Study, Low-frequency Vocabulary Why is this man so upset?

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Presentation transcript:

Male Biological Clocks Key: AWL to Study, Low-frequency Vocabulary Why is this man so upset?

The Cost of Raising a Child Approximate cost of raising a child  quarter of a million dollars Many couples postpone having children. Statistics reveal  the proportion of babies born to parents 35+ has more than doubled in the last 30 years (US).  men 40+ fathering children has increased by 50% in the last decade (UK). These changes have resulted in the rigorous examination of the male biological clock. Do you think the cost of raising a child will increase in the future?

Genetic Damage to Sperm Genetic damage to sperm rises with a man’s age. Research reveals  increased risk of incapacity to impregnate female egg.  increased risk of miscarriage, and disorders such as fetal abnormalities, and genetic defects. How does this information change your thinking about family planning?

Sperm with Malformed DNA Men 35+ have higher concentration of sperm with malformed DNA. Gene mutations are passed on to future generations. There is concern over aggregate mutations in the gene pool. Malformed DNA may lead to a full-blown health crisis. How will older men’s sperm contribute to a future health-care crisis?

Male Reproductive Facility Traditional wisdom: age does not play a role in male reproductive facility. Common folklore is scientifically inaccurate.  Men 35+ have half the chance of fathering a child.  Men 45+ have one-fifth the opportunity. Research indicates  every year of increased age results in an 11% reduction in chance of pregnancy. According to this research, how is a man’s chance at fathering a child affected by age?

Andropause Male equivalent of menopause  decline in male hormones  commencing in 20s males lose 1─2% of testosterone per year  reduction in quantity and quality of sperm Misnomer  no real “pause” or cessation  steady deterioration of reproductive function What is the difference between andropause and menopause?

To Initiate Pregnancy A sperm count of 20 million is required to initiate pregnancy. As numbers diminish, impregnation becomes increasingly difficult. The situation is made worse by genetic sperm deformities. What two factors can lead to difficulty in impregnation?

Male Clocks Why has it taken so long for this to come to light?  profit motive from lucrative female infertility industry  high cost of in-vitro fertilization ($10,000 for one cycle)  male infertility issues are ignored and fall by the wayside Why must some women undergo two or three cycles of an in-vitro fertilization procedure?

The Male Ego Infertility in the conventional male can be perceived as a blow to masculinity. Male infertility is often associated with impotency. The relaxation of gender roles may enable men to claim ownership of what they could not hitherto admit. Do you think males have bigger egos than females? Why or why not?