7day luteal phase?? Last cycle was 13?!?

I'm so confused last cycle it looked like this ff showing OD on cd 28 and af started cd 42 so I had a 41 day cycle and

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Menstrual Cycle - Women's Health Issues - MSD Manual Consumer Version

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Luteal Phase Defect: What It Is, Symptoms And Treatment

Effect of isolation-induced stress during the luteal phase on the

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What are the chances of getting pregnant 1 week before your period

Standardization of Menstrual Cycle Data for the Analysis of

Inconceivable! The Mechanisms Behind Birth Control and the