Army APFT Test for AIT OSUT?

Hello im on holiday leave from Ft,Knox KY and have to return tomarrow to finish my osut training,the ait part for 19 delta cav mos.But my question is if I dont p my APFT do I get an restart or can I take it again in three months like I read.Im lacking on the run and sill need alot of work on the push ups,but dear god I cant do another 2 months of basic and 1 1/2 months of ait I'll go crazy and I mean that.