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Use of the Y Chromosome in Prenatal Sex Determination

Abstract

REPEATED observations of the cellular composition of human endocervical mucus from the earliest weeks of pregnancy, using various staining techniques, have revealed not only cells of maternal origin, but also choridnic cells which have been shed into the fairly static cervical mucous plug.

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References

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SHETTLES, L. Use of the Y Chromosome in Prenatal Sex Determination. Nature 230, 52–53 (1971). https://doi.org/10.1038/230052b0

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