<prompt> Most conclusive sign of ovulation is:TVS follicular studyBasal body temperatureFerning pattern of cervical mucusPregnancy  <response>: Ans. is d i.e., Pregnancy Various methods used to detect ovulation are:A Indirect methods:1. Menstrual history2. Evaluation of end organ changes: BBT Cervical mucus study Vaginal cytology Hormonal estimation Sr progesterone Sr. estradiol Sr LH URINARY LH Endometrial biopsy3. USG FOLLICULAR STUDY TVS preferredB Direct:1. LaparoscopyC Conclusive:1. Pregnancy 