Menstrual cycle shortening 3-7 days is basically normal, normal menstrual cycle fluctuation in 21-35 days, such as menstrual cycle is regular, each time is relatively short, menstrual flow is normal, is also normal; such as menstrual cycle irregularity and shortening of the cycle, more suggests that the body has an abnormality.
Shrinkage of menstrual cycle may be related to individual differences and disease factors, as each woman’s menstrual cycle is different, there is no uniform standard.
1. Individual differences: Shortened menstrual cycles are caused by non-disease factors such as mental stress during menstruation, poor diet and living habits, and irregular work and rest.
2. Disease factors: Shortened menstrual cycles can also be caused by endocrine disorders, thyroid disorders, ovarian tumors, adenomyosis, endometrial cancer, uterine fibroids, luteal insufficiency and other diseases.
There may be other reasons for shortened menstrual cycle, mostly due to luteal insufficiency and endocrine disorders. No matter which reason causes shortened menstrual cycle, it is necessary to go to the hospital for relevant examination to rule out abnormalities, and make adjustments to life habits, and standardize treatment if necessary.