Edema Pregnant?

so i'm 38 weeks pregnant and i went to the hospital for some swelling in my feet and calf pain . turns out i pulled a muscle in my calf and the ob didn't say much about my feet being slightly swollen. the thing is my right foot is slightly more swollen than my left. both of my feet aren't like super super swollen, only a little but when i put my feet together i noticed my right foot has a little more swell to it than my left. but my right leg is where i pulled/tore a muscle in my lower calf also. i got checked for preclampsia and blood clots yesterday via ultrasound and i turned out fine. my blood pressure was great etc so i was wondering if anyone else had their foot be slightly more swollen than the other during pregnancy. my baby also hangs out on my right side most of the time. i looked up one foot being more swollen than the other on google and it said it can mean serious issues which i don't think i have because like i said i had went to the hospital yesterday..