Sperm Morphology is a kind of semen analysis factor, which lets to indicate the exact number or percentage of sperm in the sample, which appear to have been formed normally. In case of abnormal morphology, sperm is kinked, doubled or coiled tails.
Sperm Motility is the ability of sperm to swim. If motility is poor, it may mean that the sperm have their difficult times swimming toward their goal – the ovum.
Sperm Penetration is the ability of sperm to come into the egg so, that it is able to deposit their genetic material during the process of fertilization.
Spermatogenesis is the production of the sperm in the testicles.
Spinnbarkeit is the term, used to describe the stretching ability of the cervical mucus; it is the stringy quality that occurs at midcycle under the influence of estrogen.
Split Ejaculate is a kind of method, which is usually applied in order to concentrate the sperm for the insemination. It is done by separating the semen into two parts: the first of the ejaculate is rich in sperm, while the second portion of the ejaculate mostly consists of seminal fluid.
Spontaneous Abortion is an abortion, in which the miscarriage occurs within the first twenty weeks of gestation.
SPT (Sperm Antibody Test) is the test, which helps to determine whether the blood, semen or / and cervical mucus of a person do not serve a reason of some allergic or immune reaction of some other person.
Sterility is the condition, which is completely irreversible, and it makes the conception impossible to occur.
Stillbirth is the term, applied when the fetus dies at any time between its twenties week of development and up to the birth.
Superovulation is the process of stimulation of multiple ovulation with the help of fertility drugs.
Surrogacy is the term, which is used to describe a process, when some woman carries a pregnancy to term for some other woman, who is either unable to conceive, to carry pregnancy to term, or who can not get pregnant because of some medical problems. There are two types of surrogacy: gestational, when a woman, who is called the surrogate, carries an embryo, which was fertilized outside of the uterus; and a gestation, when the surrogate is artificially inseminated with sperm form the male partner of an infertile couple.
Surrogate Mother is the woman, who is inseminated in an artificial way and carries pregnancy to end for some other woman, who is unable either to conceive, to carry pregnancy to term or who is not allowed to get pregnant because of her state of health of some development abnormality.
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