 It's because one or the other has a thyroid problem that causes infertility both in males and females. You also have situations with the thyroid menopause. The reason that many times menopause is so difficult is because the hormones of the ovaries and uterus that we're producing are taken over by the thyroid at that point. The thyroid's not able to kick in on that. Thyroid and adrenals are actually involved in that.