if you aregoing to Hamad hospital for check up. They will surely ask you about marraige certificate.if you submit your pasport and RP copy and also your hussband Passport and RP copy with marraige certificate thne there will be no problem for birth certificate.after birth there are two months to complete the process of newborn passport and RP.SO for two months no need for visa fo rnew born, after two months Qr10 fine/ per day will be charges till the RP is issued.