Fig. 3. Estradiol influences calcium and vitamin D metabolism across the menstrual cycle inducing fluctuations in calcium concentrations and triggering luteal phase symptoms. E2 represents estradiol; PTH—parathyroid hormone; Ca++—ionized calcium.
Fig. 3. Estradiol influences calcium and vitamin D metabolism across the menstrual cycle inducing fluctuations in calcium concentrations and triggering luteal phase symptoms. E2 represents estradiol; PTH—parathyroid hormone; Ca++—ionized calcium.