A 32-year-old female presented with complain of missing period for last 3 months. History: Four home pregnancy test- negative Started menstruating at age of 15 and until 30 years had normal 27-day cycle. One normal delivery 2 years ago, followed by breast feeding for 6 months. Progesterone only pill for contraception while breast feeding; stopped 6 months ago to have another child.

Symptoms of dryness during intercourse. Sweating episodes at night and feeling extremely hot during day Suffering from hypothyroidism for 10 years; takes thyroxine 100µg per day. Investigations:                                                                                           Test values                         Normal values Haemoglobin                                                                  12.2 g/dL                            11.7-15.7 g/dL White cell count                                 …