Delighted and terrified

I am 43, had 3 step Jpouch completed at 37. Always wanted to be a mother and had many long cries about having missed out. Because I never got pregnant I assumed I couldn’t and when I took a pregnancy test it was really without the belief it would be positive, more just ruling it out before moving on as to why my period hadn’t come. Currently 6 weeks and a day, making a doctors appt today. I am at once joyous and so, so scared something will go wrong. I don’t know how I will handle the heartbreak if does. Thank you for listening…