rahul,
Your last question was about your maid seducing you. Now if you are asking us about the dangers of kissing the maid, yes you do have problems. Any sexual act committed by one who may have multiple partners is fraught with danger. If it was your steady girlfriend, then the risk would be less. But since I presume you are asking about the maid, yes a test would be in order.
Now, whether you want to do the test first and then kiss or whether you want to kiss first and then do the test is your choice. Please let us know how you will be getting the maid to do the test? As we have said in the past, STDs and STIs are transmitted when there is exchange of fluids, blood and semen/vaginal discharge from an infected partner to another. Kissing could also lead to diseases if there are cuts in the mouth and the gums. There may not be any bleeding which is visible but small sores are sufficient.
The proceedure is simple - just a blood test and the charges are minimal at a Government Hospital. The results are confidential and will not be disclosed to anyone else.
Do the normal tests to check for Blood Sugar levels by Urine and Blood Tests. Check whether your Blood pressure levels are within limits. If there are any signs of an STD, the Lab may take a swab of your penis to test for HPV. Some of the STDs are chlamydia, gonorrhea, syphilis, HPV (Human Papiloma Virus), Herpes, HIV etc.
So now, I hope you are equipped with all information before you begin your sexual life. Usually these Tests are conducted before marrying a partner.