Wa'alaikum assalam! Som tam okay je makan, tapi pastikan vegetables tu fresh dan properly washed ye, sebab raw salad kena extra careful masa pregnant. A few of my mum friends juga makan som tam tapi dia request cooked or blanched veggies instead of totally raw, just to be safe, definitely check dengan doctor or midwife you sebab setiap pregnancy beda, tapi generally raw food safety adalah main concern during pregnancy.