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Abstract

Volume 19, Issue 1 (January 2017) 19, 103–106; DOI:10.4103/1008-682X.178848

Men becoming fathers by intracytoplasmic sperm injection were more often born small for gestational age

Susanne Liffner, Mats Hammar, Marie Bladh, Elizabeth Nedstrand, Heriberto Rodriguez Martinez, Gunilla Sydsjö

Obstetrics and Gynecology, Department of Clinical and Experimental Medicine, Faculty of Medicine and Health Sciences, Linköping University, SE 581 85 Linköping, Sweden

Correspondence: Dr. S Liffner (susanne.m.liffner@regionostergotland.se)

Date of Submission 08-Sep-2015 Date of Decision 18-Nov-2015 Date of Acceptance 28-Jan-2016 Date of Web Publication 17-May-2016

Abstract

Being born with nonoptimal birth characteristics decreases the chance of becoming a father. Urogenital malformations as well as metabolic syndrome are more common in men born small for gestational age (SGA) and could be contributing factors to the reduced fertility rate seen in these men. It could imply that men becoming fathers by assisted reproductive technology (ART) more often are born with low birth weight (LBW), preterm, and/or SGA than men conceiving without treatment and also that men where intracytoplasmic sperm injection (ICSI) had to be performed more often are born with nonoptimal birth characteristics than men where conventional in vitro fertilization (IVF) successfully could be used. In this retrospective, case-control study using Swedish national registers, we compared the birth characteristics of 1206 men who have become fathers by ART with a control group consisting of age-matched men who became fathers without treatment. The differences in birth characteristics between men becoming fathers by IVF and ICSI were also assessed. For men becoming fathers by ART, OR of being born with LBW was 1.66 (95% CI = 1.17-2.36) compared with fathers who conceived without treatment. OR of being born prematurely was 1.32 (95% CI = 1.00-1.77). Men becoming fathers via ICSI had a doubled increased likelihood of being born SGA compared with men who became fathers via IVF (OR = 2.12; 95% CI = 1.17-3.83). In conclusion, we have found that men becoming fathers by ICSI treatments had more often been born SGA than men becoming fathers by conventional IVF.

Keywords: infertility; intracytoplasmic sperm injection; in vitro fertilization; low birth weight; preterm; small for gestational age

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