That is great news regarding your friends pregnancy. Your concern regarding contraindicated points is valid as there are points that should be avoided or used only by knowledgeable practitioners during pregnancy. This is perhaps especially true with someone who has a history of infertility, miscarriages or other difficulties related to pregnancy.
That said and to put your mind at ease, it is unlikely that anyone who is licensed a/or graduated from a college of acupuncture would not know the appropriate points to avoid. However, the problems with lists and theories as broad as acupuncture is that even a contraindicated point can and will be used by knowledgeable practitioners if they feel it is warranted.
Of the points that are contraindicated, some are merely because of the location (around the abdomen) and are more a precaution regarding needling depth than the action of the points. Other points, however, do have a strong downbearing effect a/or moving effect in the abdomen which is something you would want to avoid in cases of pregnancy.
I would encourage your friend to continue acupuncture treatments during her pregnancy, unless of course she feels really uncomfortable with the practitioner. It can be very helpful in fostering a healthy pregnancy and is extremely safe.
For reference, the contraindicated points are:
UB 31 through UB 34
UB 67 - is contraindicated for moxa during pregnancy, except when used to turn a breech presentation.
Points along the lower Conception Vessel meridian - have the following precautions:
CV 2 - CV 7 - No Deep Needling during pregnancy and No Perpendicular Needling during advanced pregnancy
CV 9 - CV 15 - No Perpendicular Needling during advanced pregnancy.
Yin Yang House Acupuncture and Energy Healing Center