Patient's question:
Currently 18 years old, started menstruating at 12, was normal before 15, then amenorrhea for 1 year.Doctor's answer:
After menarche, some may not have their second period for several months, half a year, or even a year. Mild abdominal pain, lower back pain, breast tenderness, and poor appetite are generally normal phenomena. It is advisable to control exercise intensity and avoid high-intensity, large-scale activities such as running and jumping. Swimming is not recommended.