In-stream tests do not require collection of a urine sample and are performed by holding the test device directly in the urine stream. The benefits of Pregnosis are: Simple – easy to use, one step test. Fast – results within minutes. Convenient – may be used anytime of the day. Sensitive – Pregnosis is as sensitive as the leading brand and can detect hCG at concentrations of 25 IU/L. Accurate – over 99% accuracy.