Ultra Early Home Pregnancy Test Strips Pack Size: 20 Strips Product Features: Simple, Reliable and easy to use Pack Size: 20 Strips Long Expiry date (at least 12 months) All our tests will have the sensitivity, LOT number, expiry date and manufacturer's details printed on them in compliance with EU law. How does a home pregnancy test work? A home pregnancy test measures the presence of the hormone (H.C.G.) in your urine. H.C.G. is produced shortly after the embryo attaches to the uterine lining. The hormone then builds up rapidly in your body in the first few days following implantation. This test is capable of detecting pregnancy as early as 4 days before your first day of missed period. The further in to the pregnancy you are the higher the levels of H.C.G. get. How accurate are these tests? All our tests have proved greater than 99% accurate in laboratory and consumer studies.
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