Towards blood results, dr. Davis and dr. Livingston consider I am not perimenopausal. No pcos, no stress, ths ok, weight gain 3kgs. Than why not ovulating?

Anovulation. Stress and pregnancy are the most common causes of an ovulation, even when we are not aware of it. As a single occurrence, no need for alarm. Further testing or ovulation induction is likely warranted.