There can be bleeding from the fetus to the mother. This can be important because fetal and maternal blood are separate and may be different types. This type of bleeding can cause isoimmunization. An Rh-negative woman should receive RhoGAM at the time of amniocentesis to prevent isoimmunization. The procedure should be done only by someone who has experience doing it.
Some women are concerned about using saunas, hot tubs and spas during pregnancy.
They want to know if it is OK to relax in this way. Your baby relies on you to maintain the correct body temperature. If your body temperature is elevated a few degrees and stays there for an extended period, it may damage the baby if it occurs at critical times in its development. Don't take a chance with a hot tub or sauna until more medical research can tell us it won't hurt your baby. Tanning Booths Phoebe always had a tan.