Ovulation Calculator

Fertility Specialist Hal Danzer, MD, explains the best ways to detect fertility in a woman in order to increase the odds of conception
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Ovulation Calculator

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Ultrasound: The Ovulation Calculator Ultrasound of the ovary is the most accurate way to asses ovulation. The many questions couples – women ¬– have about ovulation predictor kits and they're quite good, although you could have a false positive or a false negative with the predictor kit. With ultrasound, your can start out early in the cycle. When a follicle is about 5 millimeters, it has a little microscopic egg inside. Over three or four days that follicle is then 10, 12, 13 millimeters. By the time it gets to be 20 millimeters and you can see that very clearly with ultrasound, we know that that microscopic follicle inside the follicle is ripe and ready to ovulate. We can sometimes trigger that ovulation with an injection of HCG. Then we repeat that ultrasound about two days later and you can actually see the collapse of that follicle. Then you know that the woman has ovulated and released the egg. So ultrasound is the most accurate way of detecting the ovulation today.

Fertility Specialist Hal Danzer, MD, explains the best ways to detect fertility in a woman in order to increase the odds of conception

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Hal Danzer, MD

Fertility Specialist

Co-founder and partner of the Southern California Reproductive Center, Dr. Hal C. Danzer, MD is an expert in reproductive medicine, including reproductive endocrinology, women’s health and fertility issues.  As one of the most respected specialists in the Los Angeles area, over the years Dr. Danzer has helped countless patients fulfill their dreams of becoming parents. 

Dr. Danzer, a reproductive endocrinologist, is board-certified in obstetrics and gynecology, and serves on the faculty of the UCLA Reproductive Endocrinology and Infertility Fellowship Program.  He is also Assistant Clinical Professor in the Department of Obstetrics and Gynecology at the David Geffen School of Medicine at UCLA.

Among his hospital appointments, Dr. Danzer served as Reproductive Endocrinologist at Cedars-Sinai Medical Center, as well as Attending Physician in the Cedars-Sinai Department of Obstetrics and Gynecology. 

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Transcription: 
Ultrasound: The Ovulation Calculator Ultrasound of the ovary is the most accurate way to asses ovulation. The many questions couples – women ¬– have about ovulation predictor kits and they're quite good, although you could have a false positive or a false negative with the predictor kit. With ultrasound, your can start out early in the cycle. When a follicle is about 5 millimeters, it has a little microscopic egg inside. Over three or four days that follicle is then 10, 12, 13 millimeters. By the time it gets to be 20 millimeters and you can see that very clearly with ultrasound, we know that that microscopic follicle inside the follicle is ripe and ready to ovulate. We can sometimes trigger that ovulation with an injection of HCG. Then we repeat that ultrasound about two days later and you can actually see the collapse of that follicle. Then you know that the woman has ovulated and released the egg. So ultrasound is the most accurate way of detecting the ovulation today.