Grieving and trying to concieve

So I had my iud out in September and my husband and I started ttc. We tried until December and my mom starting having problems and as she got worse I quit calculating and trying (just couldn’t purposely get pregnant knowing she needed my help) well we found out she had ALS on April 23 and she passed away April 24. Well my husband has mentioned a couple times he wants another baby since then. I’m not really feeling it yet but I am 33 and have 2 other children 9 & 6 and sort of don’t want to wait too long but can’t imagine my momma not being here for me to have another baby... what’s your opinions?