7MOS PREGNANT

Hi, I just turned 7mos preggo this week and nahihirapan ako tumayo, umupo. As in MASAKIT! Like my baby is about to come out anytime soon na feeling. Same thoughts? Or ako lang? Actually my OB advised me to bed rest pero still got the same feeling. What do i need to do? Even sa pagtulog di na comfortable tho I have scolio kasi, lying on my left/right is such a pain in my ass pero flat lay super nakakatulog ako. HELP PLS! TIA