Dieting to lose weight is an unhealthy way to lose weight, which may cause many weight loss sequelae. Menopause is one of them, but it is only possible, not necessarily so. There is also a basal body temperature that can't judge whether you are pregnant or not. It just means that the basal body temperature will be different after pregnancy and before pregnancy. It is recommended to use pregnancy test paper. It is very simple to use, and it is sold in general pharmacies.