What may happen when clomiphene is co-administered with methyldopa to promote ovulation?

It may result to infertility or impaired fertility.

Explanation:

Infertility can be described to occur when after a year of consistent unprotected sexual intercourse of a couple, they are still unable achieve pregnancy. This is what likely to occur when the two drugs mentioned are administered at the same time during ovulation.

Note that, there is another thing referred to as impaired fecundity, which is when a woman is having difficulty in carrying a pregnancy up until the time of delivery, and can be a woman having difficulty in getting pregnant.

"d.) carbon dioxide and hydrogen sulfide"

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.