The correct answer is A, C, D, and E.

Here is why:.

• Choice A is correct because women may experience vaginal dryness and atrophy due to decreased estrogen levels after menopause.

This can cause pain during sexual activity and increase the risk of vaginal infections and irritation.

• Choice B is wrong because men may have difficulty achieving erection due to decreased testosterone levels, not increased.

Testosterone is the hormone that stimulates sexual desire and erectile function in men, and it declines with age.

• Choice C is correct because women may have cessation of menstruation and decreased fertility due to decreased ovarian function after menopause.

The ovaries stop producing estrogen and progesterone, and stop releasing eggs.

This means that women can no longer become pregnant naturally after menopause.

• Choice D is correct because men may have decreased sperm production and quality due to decreased testicular function with age.

The testicles shrink in size and produce less sperm, which may also have lower motility and more abnormalities.

This can affect male fertility and sexual performance.

• Choice E is correct because both genders may have delayed sexual response due to decreased blood flow and nerve sensitivity with age.

The blood vessels and nerves that supply the genital organs become less efficient, resulting in longer time to achieve arousal, orgasm, and erection.

This can also affect sexual satisfaction and pleasure.

Normal ranges for reproductive hormones vary depending on age, gender, and laboratory methods.

However, some general values are:.

• Estrogen: 15 to 350 pg/mL for women; 10 to 40 pg/mL for men.

• Progesterone: 0.1 to 0.3 ng/mL for women; less than 1 ng/mL for men.

• Testosterone: 300 to 1000 ng/dL for men; 15 to 70 ng/dL for women.