It depends on when the discharge is occurring; if it is immediately after intercourse then it is just a combination of fluids from your and your partner's bodies, vaginal secretions and semen. If you are discharging days after intercourse, then that may be a sign of pregnancy. Check the link.
it could be but you need to take a test to be sure
No the vaginal pain is caused by the dryness of the vagina., and it will hurt during intercourse.
It would be too early to be having pregnancy symptoms. The earliest you would get pregnancy symptoms is 2 weeks after sex
You would have no pregnancy hormones the day after intercourse so you would have no pregnancy symptoms. The nausea and vomiting are probably from a stomach bug. In a month you may find you are pregnant but your current symptoms are not caaused by a pregancy.
No, having a sinus problem is not a symptom of pregnancy.
Heartburn is not called as a symptom of pregnancy. You do simple pregnancy test to diagnose the pregnancy.
Malaria is not a symptom of pregnancy.
That can be anything and is not typical as a pregnancy symptom. Take a test.
Is tightness in the abdomen a symptom of early pregnancy
no
No
No