Determination of human sperm calcium uptake mediated by progesterone may be useful for evaluating unexplained sterility  Laura Cecilia Giojalas, Ph.D.,

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Determination of human sperm calcium uptake mediated by progesterone may be useful for evaluating unexplained sterility  Laura Cecilia Giojalas, Ph.D., Pablo Iribarren, Ph.D., Rosa Molina, M.Sc., Roberto Américo Rovasio, Ph.D., Daniel Estofán, Ph.D.  Fertility and Sterility  Volume 82, Issue 3, Pages 738-740 (September 2004) DOI: 10.1016/j.fertnstert.2003.12.051 Copyright © 2004 American Society for Reproductive Medicine Terms and Conditions

FIGURE 1 Percentage of spermatozoa increasing intracellular calcium in response to P in samples with different sperm quality. (a) Sample types A–E (mean ± SE). The number of samples is represented between brackets on each bar. (b) Values of individual samples of unexplained sterility (sample F). A: Three pathologies. B: Two pathologies. C: One pathology. D: Normal samples for IVF. E: Normal samples for IUI. F: Unexplained sterility. *Statistically significant differences as compared with all the other groups (P<.001); **Statistically significant differences as compared with group E (P<.001). Fertility and Sterility 2004 82, 738-740DOI: (10.1016/j.fertnstert.2003.12.051) Copyright © 2004 American Society for Reproductive Medicine Terms and Conditions