Symptoms pointing to.......?

I have a doctors appointment booked but based on the following symptoms, all of which I will mention at my appointment, what am I looking at here?

▪️Irregular / really long cycles

▪️Erractic BBT

▪️OPK’s come close to but never positive

▪️Insomnia / bad sleep cycles

▪️Constant fatigue

▪️Periods of depression

▪️Joint and muscle aches

▪️Overweight and struggle to lose it

Has anyone had these symptoms and been diagnosed with anything?

Been off the pill since the start of the year but actively trying since May.

TIA💜

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