There are many reasons why women don’t get their periods at the age of 34, as follows: 1. ovarian function decline: If you find that follicle stimulating hormone and luteinizing hormone are increased or even greater than 40mu/ml when checking the sex six items, you are in premature ovarian failure, so you don’t get your period. 2. pregnancy: you have to test the urine HCG test paper or check the blood HCG to see if you are pregnant. 3. uterine adhesions: If you have had uterine operations in the recent past, such as If you have had a recent uterine operation, such as an IUD, an IUD or an abortion, and then you do not get your period, consider whether you have uterine adhesions. If the absence of menstruation is caused by ovarian decline, since the patient is relatively young, hormone replacement therapy is also needed to give estrogen and progesterone to do artificial cycles to maintain physiological function.