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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Which among the following is the best diagnostic method for finding out ovulation?
assistant
The correct answer is  The finding of secretory endometrium confirms ovulation. The use of an endometrial biopsy (EMB) near the end of the luteal phase can provide reassurance of an adequate maturational effect on the endometrial lining. Within 48 hours of ovulation, the cervical mucus changes under the influence of progesterone to become thick, tacky, and cellular, with loss of the crystalline fernlike pattern on drying. Ref: Ghadir S., Ambasumyan G., DeCherney A.H. (2013). Chapter 53. Infeility. In A.H. DeCherney, L. Nathan, N. Laufer, A.S. Roman (Eds), CURRENT Diagnosis & Treatment: Obstetrics & Gynecology, 11e.