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About Infertility Glossary
About Infertility Glossary
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| Term | Definition |
| Secondary Infertility | The inability to conceive or carry a pregnancy after having a prior pregnancy. |
| Selective Reduction | See Fetal Reduction. |
| Semen | The sperm and seminal secretions ejaculated during orgasm. |
| Semen Analysis (SA) | A microscopic examination of freshly ejaculated semen to evaluate the number of sperm (count), the percentage of moving sperm (motility), and the size and shape of the sperm (morphology). |
| Sims-Huhner Test | See Post-Coital Test |
| Sperm Wash | A technique for separating sperm from seminal fluid. |
| Split Ejaculate | A method of collecting a semen specimen so that the first portion of the ejaculate is caught in one container and the rest in a second container. In most men the first specimen will contain the vast majority of the sperm. |
| Spontaneous Abortion | A miscarriage or the unintended termination of a pregnancy before the twentieth week. |
| Sterility | The total inability to reproduce. Not to be confused with infertility. |
| Stimulation | Administration of hormones that induce development of multiple ovarian follicles. |
| Surrogate | Administration of hormones that induce development of multiple ovarian follicles. Surrogate - A woman who becomes pregnant through insemination with the sperm of the husband of an infertile woman, and then following delivery, relinquishes the child for adoption by the couple. Also called “Traditional Surrogate.” |
| Swim-up Test | A technique that separates motile sperm from non-motile sperm and cellular debris in a semen sample. The most motile sperm will "swim up" and are more easily separated for insemination. |
