I am so scared😰😰

First i was wish a baby even i knew my husband dont likes more kids i have two already but i was have good feeling to get new baby but after while i forgat about it and i make myself says you have enough and you are old now for that(44y) then i missed my period from 65 days i did 3 pregnancy test last month but was all N ,then i did CT scan may 20th then my Dr said when i concerned about my period thats normal its minopuse time but i went to ob/ygn today to do hormones test for that and i got biiig surprise I AM PREGNANT i can't tell girls what i felt its chocking then happiness and eventually start feel scared its about my age and CT scan i did those will effect my baby for sure ,and how i tell my kids 9&7y and my husband too he didn't like this idea even when i got pregnant first time 😳 i dont now i am completely out of control .please need prayer and if you have any information related to my situation please let me know