A person with hyperprolactinemia has unusually high levels of the hormone prolactin. This hormone is made by the pituitary gland and is most commonly associated with breastfeeding women, as it helps in the production of breast milk.

Vaginal dilators are tube-shaped devices designed to stretch the vagina. Often made of plastic, latex, glass, or silicone, dilators come in various sizes. A small dilator might be smaller than the size of a tampon. A large one might be the size of an average penis.

Pelvic floor physical therapy is a treatment applied to pelvic floor muscles. Pelvic floor muscles support the pelvic organs, assist in bowel and bladder control, and contribute to sexual arousal and orgasm. 

Complete androgen insensitivity syndrome (CAIS) is a genetic condition in which a child is genetically male, but develops female sex characteristics. CAIS is a disorder of sex development (DSD).

In uncircumcised men and boys, a foreskin covers the head of the penis. Typically, the foreskin is flexible and stretches to allow exposure of the glans penis (head) when pulled back, offering no resistance. When the foreskin can’t be pulled back, this is called phimosis.

Bacterial vaginosis (BV) is a vaginal infection caused by an imbalance of “good” and “harmful” bacteria.

Prostatitis is inflammation of the prostate gland, the walnut-sized gland located below a man’s bladder. The prostate gland secretes fluid that, along with sperm, forms semen.

After orgasm, both men and women experience a resolution stage called the refractory period. At this time, their bodies “recover” from sexual excitement and return to their normal states. For men, the penis becomes flaccid again as he goes through a refractory period.

The first of the two recent studies reporting risks with testosterone prescriptions, published in the Journal of the American Medical Association by Vigen et al (1), was a retrospective analysis of a dataset of 8709 men in the VA health system who had undergone coronary angiography. Among men with testosterone concentrations less than 300ng/dl, the authors reported an increased rate of heart attacks, strokes, and deaths in men who received a testosterone prescription compared with men who did not.

For women, vaginal lubrication is an important part of sexual arousal. It readies the vagina for penetration, making it easier for the penis to enter and reducing any accompanying friction or irritation. Pain during intercourse is often caused by inadequate lubrication.

Yes, a decrease in testosterone levels can be a side effect of certain prescription medications, such as the following:

Sex headaches (also called orgasmic headaches, benign coital headache, or orgasmic cephalgia) are headaches associated with sexual activity. They can occur with intercourse, masturbation, oral sex, and anal sex.