You wont be able to get one when you are pregnant as the cervix is closed and they wont get all the cells they need to collect.

I had one at my 6wk checkup after having DD. I figued they were looking there anywhere. I have to go again in a month as theey didnt do it properly

It is important to get done even though you may feel embarrassed. Doctors have seen it all before and if you are with a doctor you trust, they will make you feel as comfortable as possible.

My little sister is 21. She had her first one at 20 after I told her she really should get one and it turned out she had that HPV and had to have surgery to remove cells that could have turned cancerous. I am pretty sure that they told her that because she has had this, it now reduces her fertility.