Hello! Prompt, please, at me a delay of 11 days, rectal t...

[Yana]

Hello! Prompt, please, at me a delay of 11 days, the rectal temperature keeps 37, 2 - 37, 3. Tests for pregnancy negative. Earlier never such long delays was, a cycle of regular 28 days. What is it can be?

[Malanova T.B.]

Most likely it will be pregnancy. Descend or go on US.