If you haven't already, I strongly suggest that you read this site's HPV info section:http://www.ashastd.org/hpv/hpv_learn.cfm
You can see to the left there the various topics. I suggest going through them all. There you'll find answers to many of your questions. Especially the one with HPV and pregnacy.
As for "ping-ponging" the virus back and forth, there were a few other people who posted the very same question just recently. You can check them out here:http://www.ashastd.org/phpbb/viewtopic.php?t=677
Do you know if they ran an HPV test on you, too? Do you know if you have "high-risk" and/or "low-risk"? From the sounds of your situation, you more then likely have "high-risk" HPV. That's the type that usually caused cervical changes (which you can read on that first link. They have a section on cervical dysplasia). I have heard that sometimes the "high-risk" hpv can cause warts...called flat warts. HOWEVER, from the vibe I get from this board and another, it's very rare. It's highly doubtful you'll have warts. Now if you have "low-risk" HPV (or have it along with the "high-risk"...you can get more then one strain of the virus), that's the kind that will cause external genital warts. It also has been known to cause mild abnormal paps, too. Course, you can have either "risk", and never develop symptoms. Be you man or woman. You can still be a carrier without symptoms. Meaning you can pass it along without knowing you have it. For men, the only way they'll ever know they have it is either if they get warts ("low-risk" hpv), or they have a former partner who informs them that they have it. Which means they possibly are carriers now. "High-risk" HPV rarely causes any symptoms in men. Usually none. You can read up more on the first link I gave you, and you can check this one out (re: HPV and Men):http://www.cdc.gov/std/hpv/STDFact-HPV-and-men.htm
As far as getting rid of HPV, you can check out these threads:http://www.ashastd.org/phpbb/viewtopic.php?t=638http://www.ashastd.org/phpbb/viewtopic.php?t=394.
Hope these will help! Goodluck!