1 Vitamin K1 â Also known as either phylloquinone (a natural form of K1) or phytonadione (a synthetic form of K1). 2  Vitamin K2 â Also known as menaquinone. 3  Vitamin K3 â A synthetic form of vitamin K that is also known as menadione.
Therefore, the simple answer to the how early can you take a pregnancy test question is between 7 and 10 days after ovulation ...much better than waiting a full two weeks! More Pregnancy Test Articles. 1  Pregnancy Test Strips. 2  Pregnancy Midstream Tests. 3  Pregnancy Test Review and Comparison Chart.
Clearblue Pregnancy Tests can be used up to 4 days before the expected period (i.e. 5 days sooner than the day of the missed period). Published literature shows that hCG levels reach at least 50 milli-International Units per milliliter (mIU/ml) on the day a pregnant woman's period is expected.-7 If a Clearblue Pregnancy Test is used on the day of the expected period, it is more than 99% accurate in detecting the presence of hCG. 8 The high sensitivity of the Clearblue Pregnancy Test also means that pregnancy can be detected up to 4 days before the expected period.