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Home ovulation test

Home ovulation test

M800/0086

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Credit

MARK THOMAS / SCIENCE PHOTO LIBRARY MARK THOMAS / SCIENCE PHOTO LIBRARY

Caption

Home ovulation test. Test stick from a home ovulation test kit. The test works by detecting a surge in luteinizing hormone that marks the onset of ovulation. The absorbent end of the stick (left) is dipped in a urine sample. Two blue lines (not seen) appear in the windows on the side of handle. If the surge line is darker than the reference line the woman has begun to ovulate. Ovulation is the release of an egg from an ovary. Because the egg only survives for 24 hours, detecting the start of ovulation aids planning for a pregnancy. Luteinizing hormone is secreted by the anterior pituitary gland, stimulating ovulation.

Release details

Model release not required. Property release not required.

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