Почему появляются кровянистые выделения между менструациями?

It sounds like you had an ectopic pregnancy, which is a serious medical condition that requires prompt treatment. In most cases, surgery is necessary to remove the pregnancy and prevent life-threatening complications. As for removing both tubes, this may have been necessary depending on the extent of damage or scarring. It's important to follow up with a gynecologist or reproductive specialist to discuss any concerns or questions you may have about your fertility.

I recommend that your wife goes to a gynecological specialist for assessment of her reason why the menstrual cycle is delayed. Late periods may be caused because of pregnancy, hormonal imbalances related to stress or by some other medical complications. The diagnosis will allow a gynecologist to offer the necessary guidance and treatment.

What you saw on the floor as a white substance may be discharge, but it is vital to eliminate other possible sources. I would recommend that you visit your urogynecologist for an accurate diagnosis and the appropriate treatment plan.

Yes, it's possible to get your period even if you have sex during your period. Getting your period is a natural part of the menstrual cycle, and it can occur independently of sexual activity. 

Yes dp spas is mostly prescribed for menstrual pain. 

While me­nstruating, it's fine to continue using vaginal pessarie­s. Yeast infections may cause discomfort like­ itching, burning, and abnormal discharge. Pessaries de­liver medication directly whe­re neede­d, treating the infection. Follow usage­ instructions for pessaries during your period.