A shortened period can be due to a number of causes including birth control, pregnancy, and more. Here are some reasons for your shorter periods.
How Many Days Between Periods? Normal and Irregular Menstruation
7 Potential Reasons Why Your Menstrual Cycle Is Getting Shorter - The Pulse Blog
Why is my menstrual cycle getting shorter?
Why is my menstrual cycle lasting longer than usual?
What Does Your Menstrual Cycle Say About Your Fertility?
Does a Short Menstrual Cycle Make Getting Pregnant Harder? – BabyHopes
Does Your Menstrual Cycle Change with Age? We Asked Our Experts – Fertile Ground – Tempdrop Blog
Is My Period Normal?
Why is Your Menstrual Cycle Getting Shorter?
Real-world menstrual cycle characteristics of more than 600,000 menstrual cycles
Why Is My Menstrual Cycle Getting Shorter? – The S'moo Co