Which problem is shown to increase with smoking?

infertility rates

sperm production

blood oxygen levels

blood glucose levels

Infertility Rates

Explanation:

Intrauterine exposure to maternal smoking may decrease the fertility of the developing fetus. In addition, smoking can lead to destruction of primary oocytes (future ova) and to a delayed conception. In males, it is possible that there is a reduction in the volume of semen and in the concentration of spermatozoa.

blood glucose levels