I hope this message finds you well. This is the first issue of TCA this year, the beginning of our 45th year. In this issue, there are two very interesting obstetrics and gynecology discipline; one regarding abnormal uterine bleeding and another is about preterm labor. Moreover, you will have a chance to learn more about medical education about using the study guide in medical students and procedural skills for interns in the ministry of public health. Hope you all will benefit from reading our articles as usual.