The effect of the moon on human reproduction has been scarcely investigated and with controversial results. The present analysis describes a significant effect of extreme perigeal lunar positions on the number of hospitalized spontaneous abortions (n = 1,329) recorded at two university clinics and a public hospital at Padova, Italy, during the years 2000-2003. Spectral analysis evidenced a 205-day period which appears to be correlated with the 206-day periodicity in extreme lunar distances. Circa-septan and circa-annual periodicities were also observed. Peak significances were determined by a Monte Carlo approach (circa-septan and 205-day periodicities: p < 0.001; circa-annual periodicity: p < 0.05). Our study indicates that the occurrence of human abortions displays suggestive periodicities that may be of relevance for gynecological and obstetrical practice.
Relevance of lunar periodicity in human spontaneous abortions
VALANDRO, LUCA;ZORDAN, MAURO AGOSTINO;COLOMBO, LORENZO
2004
Abstract
The effect of the moon on human reproduction has been scarcely investigated and with controversial results. The present analysis describes a significant effect of extreme perigeal lunar positions on the number of hospitalized spontaneous abortions (n = 1,329) recorded at two university clinics and a public hospital at Padova, Italy, during the years 2000-2003. Spectral analysis evidenced a 205-day period which appears to be correlated with the 206-day periodicity in extreme lunar distances. Circa-septan and circa-annual periodicities were also observed. Peak significances were determined by a Monte Carlo approach (circa-septan and 205-day periodicities: p < 0.001; circa-annual periodicity: p < 0.05). Our study indicates that the occurrence of human abortions displays suggestive periodicities that may be of relevance for gynecological and obstetrical practice.
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