For the reason that this chain of reactions comes about on an extremely specific, typical cycle in women, GnRH pulses need to be timed exactly, or everything might get outside of whack. Eggs aren’t introduced, durations cease… MAYHEM! So fasting to control your weight? It might be kinda… counterproductive. Like https://econopass.com/health-and-fitness/weight-loss-tips/popular-diets-pros-cons/intermittent-fasting/intermittent-fasting-for-weight-loss/