An optimal growth pattern during pregnancy and early childhood associates with better fertility in men.

ABSTRACT:

Objective

This study aimed to evaluate the association between birth weight (BW), childhood and adolescent BMI, with reproductive capacity in men.

Design

A prospective, population-based cohort study (Northern Finland birth cohort 1966).

Methods

Around 6196 men born in 1966 were followed from birth to age 50 years. Weight and height were measured repeatedly by professionals. Reproductive capacity (infertility assessment, male factor infertility and infertility treatment by age 46 years) was evaluated by questionnaires at ages 31 and 46 years. The number of children by the age of 50 years was recovered from registers. After excluding the men who reported never having attempted to have children or not answering the question at age 31 or 46 years (n = 2041), 4128 men were

SUBMITTER: Laru J 

PROVIDER: S-EPMC9716397 | biostudies-literature | 2022 Dec

REPOSITORIES: biostudies-literature