Document Detail

Are women carrying "basketballs" really having boys? Testing pregnancy folklore.
MedLine Citation:
PMID:  10655817     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Antenatal ascertainment of fetal sex is a common feature of modern pregnancies. Women who opt not to learn fetal sex typically employ a variety of methods to forecast it. This study investigated the validity of prevalent folklore used to identify fetal sex before birth. METHOD: One hundred four pregnant women, who did not know the sex of the fetus, were administered a questionnaire to explore their perceptions of fetal sex and the basis for these predictions. RESULTS: Fetal sex was not systematically related to the shape of the woman's abdomen, prevalence of morning sickness, or comparisons with previous pregnancies. However, women who had more than twelve years of education correctly predicted fetal sex greater than chance (71% correct), in contrast to less educated women (43% correct). Contrary to expectations, women whose forecasts were based on psychological criteria (i.e., dreams or feelings) were more likely to be correct than those employing prevalent folklore criteria (i.e., the way a woman was carrying the pregnancy). CONCLUSIONS: In general, women were not good predictors of fetal sex. The mechanisms that promote maternal accuracy in predicting fetal sex for highly educated women are unknown. It is reasonable to expect that maternal perceptions of fetal sex contribute to the process of fetal attachment.
D F Perry; J DiPietro; K Costigan
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Birth (Berkeley, Calif.)     Volume:  26     ISSN:  0730-7659     ISO Abbreviation:  Birth     Publication Date:  1999 Sep 
Date Detail:
Created Date:  2000-02-03     Completed Date:  2000-02-03     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  8302042     Medline TA:  Birth     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  172-7     Citation Subset:  N    
Johns Hopkins University, School of Hygiene and Public Health, Department of Population and Family Health Sciences, Baltimore, MD 21205, USA.
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MeSH Terms
Attitude to Health*
Educational Status
Logistic Models
Predictive Value of Tests
Pregnancy / psychology*
Reproducibility of Results
Sex Determination (Analysis) / standards*
Grant Support

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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