Swelling feet during 5 months

almost 6 months na kami, luckily walang swelling. di ako pede maglakad kasi high risk. since week 8 bedrest na. mas strict pa ngayong after ng cerclage ko. sabi ni ob use compression socks para iwas manas saka lagay unan sa pwitan and elevate legs. 3L water pa need ko itake daily