http://articles.mercola.com/sites/articles/archive/2001/06/09/bacteria-urine.aspxBladder infections caused by E. coli, a common bacterium, return in as many as 30% of women apparently cured by antibiotics. Until now, the reason was not always clear. Bacteria may be able to survive antibiotic treatment for bladder infections by revertingenCommunityServer 2008.5 SP1 (Build: 31106.3070)http://articles.mercola.com/sites/articles/archive/2001/06/09/bacteria-urine.aspx#39371Wed, 08 Oct 2008 02:50:00 GMT24451277-a5aa-4add-96dc-64081bfd86fa:39371ecofriendlyorganics<p>I want to know how safe Macrobid is during pregnancy. &nbsp;I've heard mixed arguments (with most concluding not to use Macrobid after 38 wks of pregnancy). &nbsp;I have been taking Macrobid for about 3 days now and am concerned about potential red blood cell effects on my baby. &nbsp;I also would like to know if a probiotic will help counter antibiotic effects for my baby as well, if followed up after taking an antibiotic.</p> <img src="http://articles.mercola.com/aggbug.aspx?PostID=39371" width="1" height="1">