Alaah memang scary tengok parut tu kat muka baby kan, I understand lah. Dari yang few of us mums experienced, parut forcep memang slowly fade over time, sebab kulit baby tu sangat elastic dan regenerate cepat, so dalam few months to a year biasanya dah nampak better. But honestly lah, sebab 3cm tu agak visible, I'd suggest you check with your baby's paediatrician or a dermatologist to monitor it, sebab ada kasus yang fade completely, tapi ada jugak yang tinggal slight mark, timing and depth dia yang mempengaruhi. Don't worry too much for now, most babies' parut improve significantly, tapi professional eye boleh bagitahu you the best plan forward!