Define pharmaceutical: of, relating to, or engaged in pharmacy or the manufacture and sale of pharmaceuticals â pharmaceutical in a sentence of, relating to, or engaged in pharmacy or the manufacture and sale of pharmaceuticalsâ¦ See the full definition
Hypothyroidism (underactive thyroid) Overview. Hypothyroidism (underactive thyroid) is a condition in which your thyroid gland doesn't produce enough of certain important hormones. Women, especially those older than age 60, are more likely to have hypothyroidism. Hypothyroidism upsets the normal balance of chemical reactions in your body.
Women are more likely than men to have thyroid disease. One in eight women will develop thyroid problems during her lifetime. 1 In women, thyroid diseases can cause: Problems with your menstrual period. Your thyroid helps control your menstrual cycle. Too much or too little thyroid hormone can make your periods very light, heavy, or irregular.