Welcome to HCM.
The possibility of you being Pregnant is very very less.Because ovulation occurs usually 14 days before your periods start i.e., you might have ovulated around 2nd or 3rd May. Days 10-20 of your cycle is unsafe . According to the information provided , you had sex during safe period.
Periods often tend to get delayed due to use of Post coital emergency contraceptive
. The Leg pains, headache you had are due to the pill you took ( they are side effects of the pill). Coming to cramps in stomach it could be due to premenstrual syndrome
. Just wait for 7 more days and your periods should start any time. Do not get tensed. Get an Urine pregnancy
test done at home to clear all your doubts. I guess it turns negative. In case if the test comes negative and you dont get your periods in one week then hormone imbalance
has to be suspected.
will delay periods. So, just stop worrying and enjoy the life.