just known my baby is twin after 15 weeks

hari ni pergi check up sbb backpain and perut tegang giler. then nurse suruh buat urine test kot ada kencing kotor. after dpt result urine refer doc. then doc scan. doc pusing2 la alat tu kt perut i, then she said 2 babies there.hahaha. seriusly x percaya. before this, scan takde pon tanda2 twin. patut la 15 week tp perut i dah besar. i aspect my baby besar. huaaaahaa. Alhamdulillah. kuasa Allah..happy????