Good evening. Tell or say, please, that can cause or call a delay monthly on 1...

[Maria]

Good evening. Tell or say, please, that can cause or call a delay monthly for 15 days. Tests for pregnancy negative.

[Malanova T.B.]

The delay can be rezzultatom stress, the overstrain or overvoltage, the transferred or carried disease, disturbance of function of ovaries.