Alcohol and Fertility
Alcohol use has been associated with infertility and miscarriage risk in women. Studies in women without infertility who were attempting to conceive found that drinking 1-5 drinks per week lowered the number of women who achieved pregnancy by 30%. Higher amounts of alcohol use lowered the number of pregnancies by 60%.
In IVF cycles, women drinking alcohol even in the month before the IVF cycle started produced less eggs, had lower pregnancy rates and higher miscarriage rates.
In men, alcohol use has also been associated with infertility, low sperm counts and low sperm motility. In IVF cycles, even use in the month before starting treatment resulted in lower pregnancies rates and higher miscarriage rates in their partners.