How much variance in Luteal phase length is considered normal? : r/FAMnNFP

Luteal Phase Deficiency: Pathophysiology, Diagnosis, and Treatment

Menstrual cycle length variation by demographic characteristics from the Apple Women's Health Study

For those postpartum whose cycles came back early : r/FAMnNFP

Question about ovulation timing and variation? : r/FAMnNFP

Age versus mean luteal phase length ±2 standard errors of the mean.

I am still so confused. : r/FAMnNFP

Could I get some insight please? What causes drops like this near the end of a cycle? Usually I'd be confirming a temp shift by now. Do I need to scrap this temp shift and wait for another rise? Normally on a 23-24 day cycle, using sensiplan rules tta. : r

Prospective evaluation of luteal phase length and natural fertility - ScienceDirect

Short luteal phase? : r/FAMnNFP