Suppose you have a fresh, undiluted, never-frozen sample with 100M/ml concentration. The SQA will produce the correct result, based upon observed motile cell concentration. If that same sample were then frozen and thawed, there would still be 1OOM/ml cell concentration, but the SQA would see far fewer live cells due to mortality caused by the freezing/thawing process. Obviously, the statistical correlations would be invalid.

Sperm in the testes and duct system are normally isolated from the body’s immune system. When a vasectomy is performed, the sperm are exposed to the immune system, and the body responds as if the sperm were a foreign protein. The immune system produces substances called antibodies against the sperm.

If you live close to your clinic -- within 20-30 minutes drive -- you might be able to collect the sperm sample at home, otherwise the clinic will provide you with a room in which to collect it.

Sperm quality on the day of egg retrieval is often related to what happened in the male's body 3 months ago. This is because sperm development takes almost 3 months. A fever of 101 degrees Fahrenheit or higher within 3 months prior to ART treatment may adversely affect sperm quality. Sperm count and motility may appear normal, but fertilization may not occur.

Sperm is classified in terms of count, (how many millions of sperm there are per sample), and quality, including mobility. To promote better sperm production, encourage your partner to wear loose boxer shorts and trousers and take cool showers rather than hot baths. Excessive alcohol intake and smoking are also bad news for healthy sperm production so encourage your partner to cut down or quit altogether if possible.

It is preferred that every husband be advised to attempt to improve the quantity and the quality of his sperms in order to enhance the likelihood of fertilization and conception. The main idea is to keep the scrotum and testes cool. Sperm production is improved when the testes are exposed to a lower temperature. The following advice would be given to your husband. If his sperm count is below 10 million per ml, A prescription medicine, Andriol 40 mg per day can be tried.

Sperm donation is the only possibility for a couple where the male partner is permanently sterile, to conceive, to live pregnancy, birth giving, to transmit part of the genetic patrimonial.  It enables the legal father to live the pregnancy with his spouse as well as birth giving.  The parents participates right from the child’s birth to its development and education.

Any healthy, fertile man, between 18 and 35 years of age, who meets the selection criteria established by Health Canada (no previous serious illness, no history of genetic illness, etc.) Several tests must be carried out before someone can be considered for the sperm donation program and during the period of donation.

Samples of sperm are frozen in straws and stored in a tank which contains liquid nitrogen. The samples may be kept frozen for many years like this.

What doctors test for differs between semen analysis for infertility and semen analysis post-vasectomy. In both cases you have to provide a semen sample in a sterile container (usually by masturbation). With infertility, the test is to actually count how many sperm are present in a sample and the quality of the sperm. This process is done in a laboratory and is much more scientific than the process used for post-vasectomy semen analysis.

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Sperm whales were hunted for spermacetes, a substance found in their heads which was used to the production of perfumes, candles and ointments.

Sperm are still made as before in the testes but it cannot get past the blocked vas deferens and are 'dissolved' into the body.

Once the sperm is injected into the uterus, it does not fall out. There can, however, be increased wetness after the procedure because of the catheter loosening mucus in the cervix and allowing it to flow out. Some doctors will insert a cup around the cervix to prevent leakage, but most do not.

Sure. There are many companies that specialize in long term storage of sperm. If you are considering sperm storage at this time, it sounds like you may not be ready to have a vasectomy. I would recommend waiting until later when you know that you definitely do not want to father any more children. No. Having a vasectomy will only help prevent you from making your partner pregnant; it does not provide any protection against any STDs such as HIV/AIDS, genital herpes or gonorrhea.

The return of sperm after vasectomy reversal may be immediate or may take up to 12 months. The difference lies in the type of the procedure required and the intra-operative findings. If there are high numbers of very motile (swimming) sperm at time of the vasectomy reversal and vasovasostomy alone is required than it is common for sperm to be present at the initial semen analysis at one or two months post-op.

Yes. It is possible for sperm to be in the pre-ejaculatory fluid. As a result, withdrawl, or “pulling out” before ejaculation is not an effective birth control method.

I'd like to know about hair coloring according to Qur'an and Hadith. I came to know that it is permissible. Is it right? Please explain providing evidence from authentic sources of Islam.