Browsing by Author "Queenan, John T."

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    • Fetal outcome among pregnancies in natural family planning acceptors: An international cohort study 
      Simpson, Joe Leigh; Gray, Ronald H.; Queenan, John T.; Kambic, Robert T.; Pérez, Alfredo; Mena, Patricio; Barbato, Michele; Pardo, Francisco; Tagliabue, Guillermo; Bitto, Adenike; Stevenson, Wilma (1991)
      This international, multicenter, prospective cohort study examines the outcome of pregnancies associated with aging gametes. Comparing pregnancies conceived at or near the peak mucus phase with those occurring before or ...