How Can Ovulation Test Detect Pregnancy

If you get a very dark line on an opk when your period is due then it can indicate that there a high level of hcg in the urine. Today s home pregnancy tests can detect hcg in the urine of pregnant women even before a period is missed. What can cause pregnancy tests to be wrong.

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In fact the typical ovulation test cannot distinguish between hcg and lh.

How can ovulation test detect pregnancy. Each type of pregnancy test is designed to detect a set minimum level of hcg. Basically if you use an ovulation test after a missed period and you are pregnant the test may detect the increase in your hcg levels. This is why pregnancy test manufacturers advertise the way they do. An ovulation test works by detecting the surge in luteinizing hormone lh that precedes ovulation.

However it s the day of ovulation that s important too as implantation can only happen if ovulation took place and the egg was fertilized. Pregnancy tests work by detecting the presence of human chorionic gonadotropin hcg in your urine. Why you should stick with home. Because the lh surge typically occurs 24 to 48 hours before ovulation opks can increase your chances of becoming pregnant.

You can essentially use an ovulation test as an alternative to a standard home pregnancy test. The ovulation and pregnancy hormones are very similar and opks detect both as they can t differentiate between the two. Interestingly hcg and lh are both known scientifically as glycoproteins which simply means that these hormones are made up of a protein with a sugar attached to it. Home pregnancy tests work by detecting the presence of human chorionic gonadotropin hcg.

A pregnancy test depends on the day of implantation and the urine pregnancy test is usually positive 4 5 days after implantation. Know four days sooner or accurate up to six days before a missed period.