Age 42 hypothyroidism on thyronorm 100
mcg daily women. menses r late by 8days. Still not got today 9th day going on.This is the first time happened. Else so many years on time or 1 day ahead or before. Last 2 years flow was less may be 1 to 2 days but always on time or before 1 day. Period
ahead by 1 to 2 day was also rare. First time happened. What is the reason. what should I do. Today did
pregnancy test at home ie negative. Please guide