have any of you ladies checked your blood sugar 3 hrs after eating? I just checked mine for no…

have any of you ladies checked your blood sugar 3 hrs after eating? I just checked mine for no reason just to see the result and it was 138..before I got pregnant it would always be below 115 or sometimes atleast 115..im just scared I might end up with diabetes I know with my first pregnancy my Dr had me take the 3 hr glucose test and it came back ok it just worries ne sometimes