Keiko Zoll

THURSDAY, June 13 (HealthDay News) -- Can women blame men for menopause?

They may have a case, according to new research that suggests it was men's interest in mating with younger females that gave evolutionary rise to menopause by sidelining older women from reproduction.

Menopau...Full Article

WEDNESDAY, May 15 (HealthDay News) -- Public funding of assisted reproductive technology, including in vitro fertilization (IVF) treatments, broadens the range of couples who seek treatment for infertility by attracting a more diverse population, according to new research from Canada.

Whe...Full Article

MONDAY, Feb. 4 (HealthDay News) -- Men who watch 20 hours of TV a week may have only half as many sperm as men who watch very little TV, a small study suggests.

On the plus side, 15 hours a week of moderate to vigorous exercise may improve sperm count by as much as 73 percent, the researc...Full Article

FRIDAY, Dec. 21 (HealthDay News) -- There's been little change in global rates of infertility over the past 20 years, according to a new study.

In 2010, nearly 50 million couples worldwide were unable to conceive a child after five years of trying, according to ...Full Article

WEDNESDAY, Dec. 5 (HealthDay News) -- A new study of couples treated for infertility found a significantly higher death rate among couples who remained childless and lower odds of psychiatric illness among those who adopt.

Researchers in Denmark found death rates were two to four times hi...Full Article

MONDAY, Nov. 19 (HealthDay News) -- Couples who adopt children after unsuccessful treatment for fertility problems typically have a high quality of life, a new study finds.

Swedish researchers compared outcomes for a variety of types of couples: those whose in-v...Full Article

THURSDAY, Nov. 15 (HealthDay News) -- Men with wide variation in the length of their sperm, particularly in the tail, have lower concentrations of sperm that are good swimmers, a new study indicates.

The finding could provide doctors with a new marker for fertility problems in men, the re...Full Article

WEDNESDAY, Nov. 14 (HealthDay News) -- Exposure to common chemicals such as polychlorinated biphenyls (PCBs) may hamper a couple's efforts to conceive a child, a new study shows.

"This suggests that some environmental chemicals might be important for human reproduction, specifically the t...Full Article

WEDNESDAY, Nov. 7 (HealthDay News) -- A mother's age at menopause may predict her daughter's fertility in terms of eggs remaining in her ovaries, a new study suggests.

For the study, researchers divided more than 500 Danish women, aged 20 to 40, into three groups: those whose mothers had ...Full Article

FRIDAY, Nov. 2 (HealthDay News) -- It might be possible one day to restore male fertility after cancer chemotherapy, new research with monkeys suggests.

Some cancer drugs are designed to destroy rapidly dividing cells, but can't tell the difference between cancer cells and other rapidly d...Full Article

FRIDAY, Nov. 2 (HealthDay News) -- A couple's sexual relationship and satisfaction can suffer while attempting to conceive a child through in vitro fertilization (IVF), a new study reports.

In IVF, mature eggs are retrieved from a woman's ovaries and fertilized by sperm in a lab in order ...Full Article

FRIDAY, Oct. 19 (HealthDay News) -- A leading group of U.S. fertility doctors says there is now enough evidence to support the freezing of a woman's eggs as a way to preserve fertility in young women.

Studies conducted over the past few years show that fertilization of frozen eggs has rou...Full Article