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Sexual intercourse on and around the day of ovulation is more fruitful. However it is too early to predict whether or not you are pregnant. Presuming you and your partner do not have any associated condition which impairs chances of conception, I would say that you have plenty of chances of becoming pregnant.
Yet, you need to wait till your expected date of period. Get the urine pregnancy
test if your periods do not happen on time.
In addition to this, I also recommend you to take 5mg folic acid
pills. One tablet a day is to be taken each day. And stay relaxed.
I wish you all the best