Please Help Me I'm Worried

I'm 31weeks pregnant.. I got growth scan yesterday n also doc suggested late tiffa scan too in tat late tiffa scan doc told ma baby is havin very mild swelling of kidneys which will b cured on its own bt thou I'm really very worried..anyone facing this issue..?? Also ma amniotic fluid is 10.,how do I increase amniotic fluid level..?? Please help me