There is no specific data on how thick the lining grows in a day with Fenmactone, because the lining thickness needs to be monitored by ultrasound, and usually the lining thickness is not monitored every day. If a woman is more sensitive to Fenmadone and her lining grows better, the thickness of her lining can reach about 10mm before her period. Usually, the doctor will check the lining thickness every few days on an individual basis. Sometimes it may grow at an average of 1-2mm per day, and sometimes it may stop growing for 2-3 days in a row. The doctor will compare the specific lining thickness with the range of values for normal women, as long as it is within the normal ideal range. Fenmotec is a combination of estradiol and estradiol dydrogesterone tablets medication, most of which are used to mimic the level of estrogen and progesterone production in a woman’s body to regulate menstruation.