Talk to Gynecologist on Belly Pain In Pregnancy

Aoa dr kal mera belly ky nichy pain ho raha tha dr pass gayi to usny kaha ky placenta agy ai hoi ha or baby week h last march ko check krwaya to dr ny kaha 3rd month ka end h or kl me kisi or dr pass gayi to usny kaha 4th month ka last but mere hisab sy 5th month ka end h to plz guide krdy ky yeh placenta agy kyun ai ha??