All Studies
Examining Fertility Rates Around the World
One of the most important measures of a nation’s economic health is its Total Fertility Rate (TFR). Societies need to main a health birth rate level in order to sustainably replenish its workforce. TFR is [...]
Join this NEW STUDY on Weight Loss, Fertility, and Virility
Men who are overweight or obese are more likely to have lower libido's, sperm counts, semen volumes, and testosterone levels compared to other men. Nutrient, a company that makes nutrient-rich foods, has shown in two [...]
Trying to conceive soon? Consider joining this online study to help you and future parents on the path to pregnancy
Are you and your partner thinking about starting your family? If so, think about participating in a national NIH-sponsored online study called PRESTO. PRESTO (PREgnancy STudy Online) is a web-based research study that examines whether [...]
How your Balls could Save your Life
The only constants in life are death and taxes, and most of us try to put them both off for as long as possible. Its no real secret that exercise and a healthy diet can [...]
BMI and Your Balls
A recent study by Dr. Michael Eisenberg revealed that Obese men had a 19 times higher chance of low total sperm count. Learn more about how BMI can impact your chances of conceiving.
Seasonal changes in sperm quality
Quite a few news articles have come out about the recent study by Levitas et al in the American Journal of Obstetrics and Gynecology. This study did an in-depth statistical analysis of over 6,000 semen [...]