You have hypothyroidism
ost doctors will check the thyroid first when a young lady presents with unexplained weight gain.
You are dealing with depression or anxiety
Stress sends you into fight-or-flight mode, releasing adrenaline and cortisol to replenish energy and store fat.
You're not sleeping well or enough
Bad sleep makes a female desire chocolate and fat (anything to survive at work the next day, right?). Your hunger hormones and metabolism suffer from missing sleep.
You're going through perimenopause
Other symptoms of perimenopause include irregular periods, hot flashes, mood swings, and libido changes, which your doctor can generally detect with her eyes closed.
You're taking certain medications
Many prescription and over-the-counter drugs can cause abrupt weight gain or water retention, which shows up on the scale as additional pounds.
You have Cushing's disease.
Which affects 10 to 15 people per million but 70% of whom are women, causes excess cortisol production and causes weight gain around the abdomen and back of the neck.
You're dehydrated.
Bloating may be caused by forgetting to drink water or eating.