Hindi po yan totoo, mama! That's one of those old wives' tales na marinig mo from titas and ninang, pero walang scientific basis talaga, a few of us tried tracking it during our pregnancies and it was just random haha. The only accurate way to know the baby's gender is through ultrasound (usually around 18-20 weeks) or blood tests if available, kaya don't stress yourself trying to guess from which side ang baby is kicking or sitting. Better to wait for the actual scan na sure na!