Story perspectives

Study Links Ultra-Processed Foods to Fertility Delays

3/26/2026

Summary

Story summary

A study from Erasmus University Medical Center links higher ultra-processed food intake by both men and women to longer time to conceive and slower embryo growth.
It is the first analysis to examine both parents' diets on early pregnancy.
A separate analysis indicates that men should avoid prolonged abstinence from ejaculation to maintain sperm quality.
U.S. agencies are developing a uniform definition of ultra-processed foods to address health concerns.

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Story summary

A study from Erasmus University Medical Center links higher ultra-processed food intake by both men and women to longer time to conceive and slower embryo growth.
It is the first analysis to examine both parents' diets on early pregnancy.
A separate analysis indicates that men should avoid prolonged abstinence from ejaculation to maintain sperm quality.
U.S. agencies are developing a uniform definition of ultra-processed foods to address health concerns.