Dr. Luke Machen

Study finds poor diets may negatively affect semen parameters

Studies have shown that semen quality has steadily declined since the middle of the 20th century, with one study estimating a 50-60% decrease in sperm counts since the early 1970s. The cause of this decline is unclear, but one potential culprit could be a worsening in diet and nutrition.

One such study examining this topic […]

Male Infertility: What Are the Causes?

It is estimated that approximately 15% of couples will struggle with infertility. Of those couples, up to 50-60% will have at least a contributing male factor. The causes of male infertility are diverse, and can range from anatomical issues, to genetic mutations, to hormonal insufficiencies. For example, one of the most common causes of […]

Is there a link between cell phone/WiFi use and Male Infertility?

With the near-universal use of smart phones and presence of WiFi, there has been an increased interest in research regarding unintended consequences of these technologies. One example of this is in the realm of male fertility. For example, a recent news article from the Daily Mail quoted multiple physicians and scientists in the UK […]

Most Patients See Improvement in Sperm Counts by 6 months following Varicocele Surgery

Varicoceles represent a common correctable etiology of subfertility in men, present in approximately 40% of men with primary infertility. Varicoceles may be addressed with a specialized operation that uses an operative microscope to divide the dilated veins. While it has been established that most men will have improved semen parameters following surgery for varicoceles, […]

Men with varicoceles with testicular atrophy respond to varicocele repair

The reproductive urologists, Dr. Parviz Kavoussi and Dr. Luke Machen, at Austin Fertility & Reproductive Medicine presented their research on varicocele repair in men with testicular atrophy at the 2019 American Society for Reproductive Medicine national meeting and congress.  A varicocele is an abnormal dilation of veins around the testicle which increase testicular temperatures […]

Male Fertility Cryopreservation Prior to Gonadotoxic Treatment

Men and adolescents who are undergoing medical treatments that might negatively affect their future fertility may want to consider sperm cryopreservation. Although such measures have been available since at least the 1970s, these options tend to be underutilized by men who are faced with gonadotoxic treatment.

Gonadotoxic treatment generally refers to any medical procedures that […]

Semen Analysis App vs. Laboratory Testing

Smartphones are assuming an increasingly large role in most people’s lives. If you have a curiosity about a certain subject, chances are good that there’s an app that will help you explore it.

This is the case with certain apps that are related to male fertility. Specifically, apps that are designed to perform semen analysis […]

Austin Fertility’s Newest Physician: Dr. Luke Machen

Austin Fertility is excited to announce our newest physician to our clinic, Dr. Luke Machen, a reproductive urologist, who will be serving male patients in Round Rock, our newest location.  Now patients in Round Rock and the greater North Austin area can enjoy a shorter drive to see us.

We’re fortunate to have Dr. Machen […]