My last l.m.p was on 18th april. from last 2-3 days i am suffering from lower abdomen pain and water discharge from vagina. i just want to know weather these symptoms may be of pregnancy or not?

Hard to guess: It can be hard to tell if a woman is pregnant because some of the symptoms seen in early pregnancy can also happen in non-pregnant women. A home urine pregnancy test is very accurate by 3 weeks after sex (3 weeks after when conception might have occurred), or 1 week after missing a period. An Ob-Gyn doctor can evaluate any persistent or worrisome symptoms.