Hello! At me a delay of 12 days (stable tsikl-28), in the last che...

[Irina, 21 year]

Hello! At me a delay of 12 days (stable tsikl-28), last four days rectal temperature 37, 0 - 37, 2. Five days ago did or made the test - result negative. All the month long there was a regular sexual life, were not protected. We want the child, but there is any strange situation. Prompt what to do or make, please?

[Pasenjuk A.M.]

Will address to the gynecologist and to make US.