Gynecologist Dr Jacques Donnez spotted a human egg emerging from the ovary a 45-year-old Belgian woman and filmed the whole process. It is the first time a human ovulation has been recorded in detail and Dr Jacques Donnez saw it in progress during a routine hysterectomy operation.
Human eggs are produced by follicles, fluid-filled sacs on the side of the ovary, which, around the time of ovulation, produce a reddish protrusion.
The egg comes from the end of this, surrounded by a jelly-like substance containing cells.
The egg itself is only the size of a full-stop, and the whole ovary, which contains many immature eggs, just a couple of inches long.
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