Search results
Results from the WOW.Com Content Network
The postcoital test (PCT), also known as the Sims test, Hühner test ,Sims–Hühner test, or cervical mucous penetration assay is a test in the evaluation of infertility. The test examines interaction between sperm and mucus of the cervix .
Male infertility refers to a sexually mature male's inability to impregnate a fertile female. [1] Male infertility can wholly or partially account for 40% of infertility among couples who are trying to have children. [ 2 ]
Men who have gone through puberty should be fertile throughout life. The semen in ejaculate contains sex cells called sperm . After intercourse, sperm travel to the egg through the female reproductive tract , typically causing fertilisation to occur in the fallopian tubes .
These diagnoses were used to describe a variety of mild defects in virilization; as a result, the phenotypes of some men who have been diagnosed as such are better described by PAIS (e.g. micropenis, hypospadias, and undescended testes), while others are better described by MAIS (e.g. isolated male infertility or gynecomastia).
Male infertility is responsible for 20–30% of infertility cases, while 20–35% are due to female infertility, and 25–40% are due to combined problems in both partners. [29] [5] In 10–20% of cases, no cause is found. [5] The most common cause of female infertility are ovulation problems, usually manifested by scanty or absent menstrual ...
Sperm motility describes the ability of sperm to move properly through the female reproductive tract (internal fertilization) or through water (external fertilization) to reach the egg. Sperm motility can also be thought of as the quality , which is a factor in successful conception ; sperm that do not "swim" properly will not reach the egg in ...
Anejaculation appears to occur somewhat independently of impotence; some men are still able to ejaculate despite impotence, and others without erectile difficulties cannot. [23] [32] [33] [34] Predominantly female phenotypes include a variable degree of labial fusion and clitoromegaly. [3]
Persons with a complete androgen insensitivity have a typical female external phenotype, despite having a 46,XY karyotype. [16] [17]Individuals with complete androgen insensitivity syndrome (grades 6 and 7 on the Quigley scale) are born with an external female phenotype, without any signs of genital masculinization, despite having a 46,XY karyotype. [18]