I was asked a question regarding the maternal serum screening and effects of lactation.  I know the test just measures risk and isn’t diagnostic, but a patient mentioned she was told that if she was lactating and pregnant (which she is), it is more likely to show a false positive.  Googling doesn’t give any information on this, nor do the archives although my search probably isn’t great.  Is there someone out there who knows anything about this test and any effects if any of lactation on it and/or where I could find more information?
 
Kathleen Sacks, RN IBCLC
  		 	   		  
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