sperm antibodies

sperm antibodies

Any of a group of antibodies produced against four distinct components of spermatozoa (sperm cells). While sperm antibodies are linked to infertility, they do not cause a particular disease; they may be found in the circulation (either free or as immune complexes), in semen and/or attached to the sperm surface.
 
Ref range/normal
IgA, IgG, IgM < 15% binding.
References in periodicals archive ?
However, this contradict with another study18, that reported a high incidence of sperm antibodies amongst patients with primary unexplained infertility in subjects attending a program for assisted reproduction by various test (ELISA, TAT, SIT and GAT).
The presence of sperm antibodies in the serum of two patients with oligozoospermia.
Presence of sperm antibodies and association with viscosity of semen.
Sperm must be present in sufficient volume, they must be active, they must not clump together, they must be relatively normal in shape and size and they must not be adversely affected by sperm antibodies either in the man or woman.
Although doctors have long recognized numerous causes of infertility - such as blocked fallopian tubes, failure to ovulate and low sperm count - they have in the past two decades begun to focus on a less common cause: sperm antibodies.
For couples like Linda and David, for whom various fertility tests have failed to identify any specific medical problems, as many as 20 percent have sperm antibodies to blame, according to Dr.
Detection of sperm antibodies in the semen was also performed by direct method immediately after collection.
1,2] Thus, sperm antibodies detected on the sperm surface or in the cervical mucus play a definite role in fertility.
Sperm antibodies, immunoglobulins, and complement in human follicular fluid.