In 10 seconds? There is limited research on how intermittent fasting (IF) affects human fertility, although some animal studies found a negative impact on male and female reproductive hormones. However, a recent women-only study has not found a major differences between fasting and non-fasting human subjects... except for one hormone.
Wait! I thought intermittent fasting had lots of benefits? According to a review by Varady et al., intermittent fasting may have cardiometabolic benefits such as weight loss, improved insulin sensitivity, and reduced oxidative stress. Another review by Varady et al. found that intermittent fasting may be a promising approach for weight loss and cardiometabolic health.