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SEMEN COLLECTION AND ANALYSIS


The analysis of a man's semen is easy, cheap, not too inconvenient and tells the doctor immediately the number of sperm present (total count), whether they move (their motility) and if so how well, and what they look like (their morphology). Other aspects of the examination include the volume and consistency of the ejaculate produced, the vitality of sperm (number actively moving), whether an infection is present in the genital tract and if antisperm antibodies are suspected. When the results of this data, along with other pertinent information (such as the period of abstinence before the sample was collected, the time delay between collection and delivery to the laboratory, how it was collected, any spillage and even the “quality of collection”), an assessment of a man's potential for fertility can be given. Frequently, more than one analysis is required, since the testes are a very sensitive indicator of general health and, as sperm are produced over a ten-week period, many factors can effect their production. Excepting azoospermia (no sperm present) no one measured parameter of a semen analysis in an individual is indicative of fertility - it is the assessment of a combination of factors, including your background health, that enable an overall prognosis to be made. The following questions may need an answer when you deliver your sample for analysis. The reasons appear alongside: 

QUESTION

REASON

   

Time of collections

Changes in sperm may occur with time of delivery.

   

Transport temperature

Extremes (<15 ° C, >37 ° C) can affect sperm motility and vitality.

   

Prior abstinence

Will effect seminal volume and sperm numbers.

   

Method of collection

Possible loss or contamination

   

Spillage - first part

Sperm numbers reduced.

Spillage - second part

Seminal volume reduced.

   

Health in previous

Maturation of sperm takes 72 days.

3 months

Poor health in this time may be reflected in semen quality.

   

Medications and/or

A range of compounds are known to affect the testes (eg smoking tobacco marijuana, alcohol).

   

Previous fertility

The functional integrity of sperm has been demonstrated if you have fathered a pregnancy.

Finally, the scientist assumes that what you deposit into the specimen container for semen analysis represents what you deliver to your partner at intercourse when all the conditions should be perfect. Thus, it is important to have a “good” collection.

Artificial insemination by husband
Assisted hatching
Blastocyst transfer
Cancer incidence after infertility and IVF
Do we tell our children about their method of conception
Donor insemination
Ectopic pregnancy
Emotional responses to infertility
Endometriosis
Fact sheet for friends and relatives
Fertility tests
Freezing and storage of semen
Frozen embryo transfer (FET)
Gamete intrafallopian transfer (GIFT)
Genetics and infertility
Human reproduction
In vitro fertilization (IVF)
Infertility and drugs
Infertility and sexuality
Information for sperm donors
Intra cytoplasmic sperm injection (ICSI)
Laparoscopy
Life style factors and infertility
Male infertility
Multiple births
Oocyte donation
Ovarian hyperstimulation syndrome (OHSS)
Ovaries and stimulation of ovulation
Post coital test (PCT)
Prolactin
Retrograde ejaculation
Risks and side effects of drug treatments and surgery associated with assisted reproductive technology (ART)
Semen analysis and collection
Single embryo replacement
Tubal disease and microsurgery
Ultrasound
Unexplained infertility
Weight and infertility


This page was last updated on September 17, 2001