What controls the monthly timing of the menstrual cycle?

The menstrual cycle is regulated by two hormones secreted from the pituitary gland, follicle stimulating hormone (FSH) and luteinizing hormone (LH). FSH and LH control the production of estrogen and progesterone, hormones are produced in the ovaries that determine the different stages of the menstrual cycle

answer; /// i believe the answer is (phenylketonuria);

the gravitational force on an object increase as the mass of an object also, im not going to report you, but this question should be under the science category, not health