Case(Part D Age: 40 years GP Complaint Menstrual pain for 3 years Present history: Three years ago, she started to feel pain in lower abdomen and lumbosacral (H AL area during menstruation.The pain has been worsening progressively. In addition, she has heavy menses(月经) Past history: She gave birth to healthy male baby 15 years ago. Five . years ago she had an artificial abortion, and an IUD was placed thenCase (Part I) Age: 40 years G2P1 Complaint: Menstrual pain for 3 years Present history: Three years ago, she started to feel pain in lower abdomen and lumbosacral (腰骶)area during menstruation. The pain has been worsening progressively. In addition, she has heavy menses (月经). Past history: She gave birth to healthy male baby 15 years ago. Five years ago she had an artificial abortion, and an IUD was placed then