Yohtex usually refers to levonorgestrel tablets, and usually amenorrhea due to the use of this drug will slowly recover after a period of time. Levonorgestrel tablets are clinically used for contraception in women without protection, and can provide a certain contraceptive effect, but the impact on the body is relatively large. It is forbidden for those who are already pregnant, breast cancer, cancer of reproductive organs, abnormal liver function and women over 40 years old. This type of drug often contains a large number of hormones, after taking it may cause the body to have a large change in hormone levels, there will be some people who have a short period of amenorrhea. However, due to the normal metabolism of the body, it is able to recover slowly through self-regulation. If the symptoms of amenorrhea are not relieved, or are accompanied by other symptoms, you should go to the hospital in time to see a doctor to identify the cause of the problem and then give targeted treatment.