It's a No-No. A new study has been published showing that taking aspirin, ibuprofen, etc, can cause undescended testicles and future sterility issues for baby boys in utero.
Wow! So often a medicine or treatment is touted as harmless until decades later when it is proved to be the opposite.
Stay safe! If it's man-made, it's probably NOT good for you.
Here is a link to the actual study report published in the Oxford Journals. http://humrep.oxfordjournals.org/content/early/2010/11/08/humrep.deq323.full
And here's a link to the "plain english" version at Channel 4 News. http://www.channel4.com/news/painkillers-in-pregnancy-risk