Phasic menstrual cycle effects on the control of breathing in healthy women

What this work gives Aellic

Progesterone acts as a respiratory drive; minute ventilation rises luteally by about 1 L/min. The effect is real — but it runs almost entirely through TIDAL VOLUME, not through rate. Which is why, despite demonstrable physiology, all that remains in respiratory rate is a swing below device precision (see goodale2019), and why there is no cold-start constant for it. Listed in PubMed without a DOI.

Where this sits in the engine

1 declared site: constants and thresholds in the code that point at this entry.

• Cycle Phases and cycle-aware baselines 1 site