Tara Voto, RN, BSN, labor and delivery nurse, St. Barnabas Hospital, Livingston, N.J. Patricia Crane, MSN., CNM, director, nurse midwifery service, University of Michigan Health Systems. 2003 WebMD, Inc. All rights reserved).The "linea nigra" - the dark line that some women get running from the pelvic bone, mid- abdomen, to the belly button or as far as the xyphoid (the bottom-most part of the rib cage in the center or tip of the sternum)."There is so much we do not know about pregnancy and the growing baby within us. It's a mystery and a miracle every time. We know the science behind it, but there are such deep emotions and awe at what happens to our body and.Therefore, myths are generated to perpetuate our sense of awe around this process. And heck - it's fun to play around with this stuff!". WebMD Feature Sources SOURCES : Birth, September 1999. Journal of the Kentucky Medical Association, September 1993.Mid-130s to 140s is unpredictable - and where a lot of heart rates fall.". A study done in 1993 at the University of Kentucky seemed to prove this theory right, finding that the fetal heartbeat could be used accurately to predict the sex of 91.The women were right 55 of the time, or about what you could expect from random guesses. But just to throw a little confusion into the mix, the study also found the mothers-to-be who had the highest levels of education (12 years or more) were."Apparently if you take old Drano, manufactured before a particular year in the 1980s, and mix it with the pregnant woman's urine, it turns brownish if it's a girl or bluish-green for a boy bauer sucht frau leonhard Sex dating 25 Crane says."The theory goes that if the linea nigra runs to the belly button, it's a girl, and if it goes all the way up to the xyphoid, it's a boy Crane says. The Drano test.Continued Crane doesn't think these tales will ever disappear. "The sex of a child can hold particularly significant meaning to a woman. Mostly we say we just want a healthy baby but secretly (and not so secretly many of us have dreams of mothering a.