Fluorescence in situ hybridization analysis of human sperm cells has been used successfully in many studies: from studies of basic mechanisms of nondisjunction, to studies of infertility and effects of mutagens on the chromosome constitution of human sperm. The technique is simple, rapid, and relatively inexpensive. However, it is important to keep in mind that there are some subjective aspects to counting fluorescent signals and each laboratory must develop stringent scoring criteria for test subjects as well as laboratory-based control donors.

Pregnancy Guide

Pregnancy Guide

A Beginner's Guide to Healthy Pregnancy. If you suspect, or know, that you are pregnant, we ho pe you have already visited your doctor. Presuming that you have confirmed your suspicions and that this is your first child, or that you wish to take better care of yourself d uring pregnancy than you did during your other pregnancies; you have come to the right place.

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