I just found out im 5 week preggy ...?

im really scared cuz 2 /3 weeks back i gt severly dehydrated so had a course of antibiotics plus 2 xrays n echo to see the dehydration effect on my kidney ... im fine now bt i wanna know how bad r al the xrays n meds at that stage for the embryo ... the doc says its too early to say n called me in a mths time ...bt ill go crazy in a mth thinkin whts wrong ... im scared cuz i hav already lost a baby n really lookin fwd to this ...n ofcourse want a healthy baby ... any knowlegable ans ??