My periods has not come till now
Last month date was 8th july
So this month i was expecting it on 4th aug
Bt its 23 and still i dont have any sign of periods
And yes i m sexually active
I even had unprocted sex on 14th july and took i pill wthin 7-8hours
And after that i had sex on 22 and 28 th july bt it was protected
I have even tested home pregnancy 2 times in a gap of one week
Bt both of them showed a negative result
Now i tensed
Am i
pregnant or i m having some other problem
Today i went to a doctor she suggested me an ultrasound
So what should i do
I dont have much money
As i m checking ultrasound is bit expensive
Please suggest me alternatives
Help