What should I do if my menstrual period was normal last month and is suddenly very light this month?

Menstruation that was normal last month and is suddenly scarce this month may be caused by endocrine disorders, uterine factors or bad habits, which can be dealt with through the use of medication, general treatment and surgical treatment.
1. Endocrine disorders: endocrine disorders such as polycystic ovary syndrome may cause a sudden decrease in menstruation, which can be treated with drugs such as ethinyl estradiol cyproterone tablets, estradiol valerate tablets and drospirenone ethinyl estradiol tablets.
2. Uterine factors: If endometritis and uterine adhesions are present, a sudden decrease in menstrual flow may also occur. Uterine adhesions can be intervened by hysteroscopic surgery under the guidance of the doctor. Endometritis can be treated with anti-inflammatory drugs such as metronidazole and tinidazole.
3. Bad habits: If the patient usually often stay up late, irregular work and rest and excessive stress, may also cause a sudden decrease in menstruation, the patient needs to ensure a good night’s sleep, to develop a good work and rest habits, generally will gradually return to the normal amount of menstruation.
If your menstrual period was normal last month but is suddenly very light this month, there are other reasons for it. It is recommended that you seek medical advice, complete the relevant examinations, identify the cause of the problem under the guidance of your doctor and seek treatment to avoid delaying your condition. The use of the above medications should be in accordance with medical advice.