SCARED

Is anyone else trying ttc after losing a child but are really scared my daughter was born healthy full term no pregnancy complications she passed away 3 days after Christmas from SIDS she was only 2months I have a 4 yr old son and he keeps saying mommy I want a baby brother now since my sister left to go with Jesus but I am so scared and so is my fiance its been awhile now but it feels like it just happened yesterday 10/22/13 - 12/28/13