I am a 5th year medical student in serbia. I am preparing for my gynecology main oral exam. Give me detailed and simple to understand explanation for the following topics

Gynecology 1. Discuss the menstrual cycle. 2. Discuss amenorrhea. 3. Discuss polycystic ovaries (PCOS/PCO). 4. Discuss dysmenorrhea: * primary vs secondary, * most common cause of secondary dysmenorrhea (endometriosis). 5. Discuss puberty. 6. Discuss premenstrual syndrome (PMS). 7. Discuss Pap smear (Pap test). 8. Discuss cervical dysplasia: * CIN 1, * CIN 2, * CIN 3. 9. Discuss female infertility. 10. Discuss male infertility. 11. Discuss benign uterine tumors (uterine myoma/fibroids). 12. Discuss cervical cancer. 13. Discuss ovarian carcinoma. 14. Discuss endometriosis. 15. Discuss ectopic pregnancy: * types, * implantation sites of the fertilized egg. 16. Discuss spontaneous abortion. 17. Discuss hypertension in pregnancy. ⸻ Obstetrics 18. Discuss the stages of labor. 19. Discuss fetal positions/presentations. 20. Discuss fetal positions in which vaginal delivery is not possible. 21. Discuss fetal size and position in pregnancy. 22. Discuss transverse lie/transverse delivery. 23. Discuss placenta previa. 24. Discuss placental abruption (ablatio placentae). 25. Discuss gestational diabetes / diabetes in pregnancy. 26. Discuss HELLP syndrome. 27. Discuss TORCH infections. 28. Discuss obstetric emergencies and emergency delivery. 29. Discuss obstetric operations. 30. Discuss preeclampsia and eclampsia. 31. Discuss cesarean section (C-section). * Ectopic pregnancy * Dysmenorrhea * Amenorrhea * Pap test & cervical dysplasia * Cervical cancer * HELLP syndrome * Hypertension in pregnancy * PCOS * Uterine myoma * Preeclampsia/eclampsia * Menstrual cycle * Placenta previa * Gestational diabetes * Endometriosis * Fetal positions/presentations * Cesarean section