Heat period is something animals have during their reproduction period. Some think that women have that also. However, regardless of the physiology, the desire for sex in a woman cannot be brought down to the reproduction function only. The sex drive in ladies works a lot like that in men and it is connected to their emotions, love, preferences, etc. If you wish to learn more, read the article below about the sexual intercourse.
Heat period is also called Estrous cycle and this term is used for animal females. It defines the time, when such females are open for mating and can conceive. However, the term is not used for women. Their sexual desire has no strict pattern in relation to the menstrual cycle. It does not depend solely on their physique, but instead it is affected by a range of factors: sociological, emotional, etc.