If Plan B was used afte­r ovulation, it could influence your period. Plan B's function is to postpone­ ovulation, which may affect timing. Therefore­, it's possible for period delays afte­r taking it. Irregular bleeding and cycle­ fluctuations are potential symptoms. 

Women may have side effects after a hysterectomy, including hot flashes, vaginal dryness and mood changes. Long-term implications include a higher risk for cardiovascular disease and osteoporosis. In this case, it would be best to seek advice from a gynecologist regarding post hysterectomy treatment and any questions you may have.

Bleeding can be caused by a small vaginal area tear or an itching sensation. There could be various reasons such as bacterial infections or hormonal changes. People need to remain quiet, get hydrated, and relax. Moreover, sex should be completely avoided until it is diagnosed. 

The chances of pregnancy from the described activity are generally low.. but not impossible. If you both are concerned it's best to take a pregnancy test after her next expected period. 

It’s fine if your period is late after taking Plan B because it messes with your cycle. Some symptoms like spotting, feeling sick, or changes in the timing of your menstrual cycle are pretty normal too. Remember that stress may also cause a delay in your period so try not to worry too much about it. Everything should return to normal soon enough.  If not though, then maybe think about getting a pregnancy test.

If you have had green vaginal discharge for a year and an hvs test shows an E. coli infection, consult your doctor for appropriate treatment. Antibiotics are used normally, but if the prescribed medication hasn't been effective, your doctor will make further evaluation and adjustments accordingly.