A male may be considered infertile if he is unable to conceive a child following one year of unprotected sexual intercourse with his partner. The National Center for Biotechnology Information says that male infertility may be caused by numerous...
Primary testicular failure, also known as hypogonadism, involves the inability of the male testicles to produce viable sperm or male hormones, such as testosterone. Testicular failure can be caused by certain drugs, genetic defects, disease or...
When the testicles do not produce enough of the male hormone testosterone, the condition is called testosterone deficiency or male hypogonadism. Primary hypogonadism results from a testicular disorder, while secondary hypogonadism involves a...
Testosterone is a hormone that is produced by the testes and to a lesser extent, the adrenal gland in males. At puberty, it causes secondary sex characteristics such as facial and pubic hair to develop and also enlarges the penis and testes....
Protective cups are designed to prevent damage to the testicles and scrotum during contact sports. When properly fitted, protective cups fully cover the genitals and deliver any impact force to the pubic bone to minimize the risk of serious...
Football is an intense sport that can lead to many types of injuries. Direct trauma, muscular strain and other common sports injuries can cause testicle soreness in football players. While most testicle soreness is not serious, it can sometimes...
The testicles are extremely sensitive, and even a slight injury can cause serious pain in the testicles themselves, your groin or abdomen. According to MayoClinic.com, it's not always possible to diagnose the cause of testicle pain, and conditions...
Breast tenderness in men most often occurs in men with gynecomastia, abnormal enlargement of the breast tissue. Hormonal imbalance between testosterone, the dominant male hormone, and estrogen, the dominant female hormone also produced in small...
A total testosterone test, also known simply as a testosterone test, is a procedure that measures the levels of testosterone present in the blood of men or women. Doctors can use the test to help diagnose a number of common ailments, including...
Several endocrine, or hormonal, diseases and conditions occur due to insufficient production of necessary hormones, including hypothyroidism, type 1 diabetes mellitus and Addison’s disease. Replacement of the deficient hormones serves as a...
Testosterone is one of the male sexual hormones and perhaps the best-known. One of a group of hormones called androgens, testosterone is the hormone that determines whether a child will be male or female, and has many other functions in the human...
Problems with the male reproductive system can occur at various stages of fetal and pubertal development or arise later in life due to accidents, metabolic disease or infection.
An abdominal hernia is a defect in the muscle of the abdominal wall that allows intestine to come through the abdominal wall. Surgeons repair abdominal wall hernias by surgically repairing the opening in the muscle wall. According to the Mont Reid...
Male infertility is responsible for at least one-third of all infertility cases, according to the American Pregnancy Association. One potential cause of male infertility is something normally considered healthy: cycling. Men who regularly cycle...
The perineum is the area extending from the anus to the vaginal orifice in women and from the anus to the back of the scrotum in men. Rich in nerve endings, the strip of skin between the anus and testicles is an area in which men may feel...
Human beings enjoy painting, decorating and modifying their bodies in an effort to attract attention. Among these is the manipulation of the sex organs, often in seemingly drastic ways. An unusual example is scrotal stretching, in which males use...
Chemotherapy risks can include toxic effects to the heart muscle. The amount of damage to the heart is cumulative according to the amount of drugs the patient receives, so the doctor will monitor a patient closely if he's taking any drugs in the...
Chemotherapy involves the use of drugs and medications to kill cancer cells, and it may be used in nearly every kind of cancer. These drugs typically have side effects, both short-term and long-term, many of which are easily treated. The kind of...
Lemon juice can both hurt and help male fertility, depending on how it is used. The nutrients in this juice -- including vitamin C and thiamin -- may boost fertility, although applying it directly to sperm may have deleterious effects. Do not...
As a male in your 30s, you might be experiencing many stressors in your life that weren't there five years ago. You might be trying to start a family, addressing medical or weight concerns, or experiencing work-related issues in a career that...
In laparoscopic surgery, the surgeon makes several small incisions in the abdomen, each about a centimeter long. A tube with a tiny video camera on its end is inserted through one incision, and miniature surgical instruments are inserted through...
Numb testicles when biking may affect your sexual and reproductive health. Testicle numbness, or bicycle seat neuropathy, is among the most common injuries reported by cyclists, according to Dr. John M. Martinez. Improper seat positioning, shape...
Of the 15 percent of American couples who are infertile, according to MayoClinic.com, around 40 percent have sperm issues that cause or contribute to the problem, the Malpani Fertility Clinic states. A sperm count of less than 20 million per...
During puberty, the breasts can become tender and swollen in both boys and girls. Although it can be painful, swollen breasts in children is a benign and ordinary condition brought on by changes in hormones, among other reasons, notes...
Jockstraps have been used to "support" men's parts dating back to the times of King Tut and the Egyptians. They are now state-of-the-art pieces of equipment paired with protective sports cups. This combination protects a man's genital area from...
Secondary infertility is the medical term for having fertility troubles after having at least one child without difficulty. With the exception of congenital birth defects or genetic problems, the causes for secondary infertility are the same as...
Testosterone is a vital sex hormone that plays an important role in the development of secondary sexual characteristics of boys as they turn to men in during puberty. Testosterone is produced in the testicles and regulated by the hypothalamus and...
Insufficient testosterone production by the testicles is a medical condition referred to as testosterone deficiency. This condition, also known as hypogonadism, can cause physical, mental and behavioral changes in affected men. Men should discuss...
A hernia is a protrusion of an organ or soft tissue of an organ through the cavity that normally contains it. The types of abdominal hernias include direct inguinal, indirect inguinal, femoral, umbilical, incisional, diaphragmatic, hiatal,...