Hypercapnic blood pressure response is greater during the luteal phase of the menstrual cycle.

  title={Hypercapnic blood pressure response is greater during the luteal phase of the menstrual cycle.},
  author={Natalie Edwards and Ian Wilcox and Olli Polo and Colin E Sullivan},
  journal={Journal of applied physiology},
  volume={81 5},
We investigated the cardiovascular responses to acute hypercapnia during the menstrual cycle. Eleven female subjects with regular menstrual cycles performed hypercapnic rebreathing tests during the follicular and luteal phases of their menstrual cycles. Ventilatory and cardiovascular variables were recorded breath by breath. Serum progesterone and estradiol were measured on each occasion. Serum progesterone was higher during the luteal [50.4 +/- 9.6 (SE) nmol/l] than during the follicular phase… 

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