I have been with one partner in the last year and since he travels I dont see him often but last had intercourse with him a little over a month and a half ago. Last nite I discovered a pimple like blister in my vulva and am a bit worried about it. Is there a chance I may have contracted Herpes after so long?

How long after contact with a person with herpes simplex will it take, before I get symptoms?
It usually takes between two and seven days after contact for the first symptoms to appear, with 4 to 5 days being the most common incubation period. Some people never catch it. Others catch it but show no symptoms. Occasionally it can appear for the first time years after you could have caught it.