When i should take pregnancy test??

Well, if you do not get your period by Saturday, March 12, you can wait one week and do a home pregnancy test.

i forgot to mention that i had last sex on Feb 28th .(bcz i saw in ovulation calender my fertile days was from 23 Feb to 27 Feb.
will i have chance to conceive.

I am concerned about the abdominal pain that you are experiencing. I would suggest that you make an appointment with your doctor or if you visit a health clinic, make an appointment. It is important to determine why you are having pain that is lasting for all these days and keeping you awake at night.
At the same time, a blood pregnancy test, which is more accurate than the urine test, can be done to test if you are pregnant.

Thanks..

Yes, my period started bleeding on Feb 5th.
i am trying for baby..so i had several unprotected sex .

this is the first time that i have long time(9 days and still) abdominal pains.In sleeping time i feel so discomfort and pain.

so as your discussion i should take pregnancy test one week later that means March 19(i f i don't get period)

Hi Sonia00,
Did the bleeding of your last period begin or end on Feb. 5? A menstrual cycle begins on the first day of bleeding. If you started bleeding on Feb.5 and your normal cycle is between 32 to 35 days, then you should have gotten your period yesterday (March 9) or can still begin today, tomorrow and possibly Saturday (March 12) and still not be late.
Is this the first time that you have had lower abdominal or back pain like this about a week or so before expecting your period? If so, some women experience abdominal pain about mid cycle, at the time of ovulation. This is when the egg is released from the ovary.
Now, as far as taking a home pregnancy test.... Have you had unprotected sex since your last period? If you have and think that you might be pregnant, then you need to wait until you are late by one week before taking a home pregnancy test. Read and follow the directions carefully to get the most accurate results.