Journal of assisted reproduction and genetics · 2025
A systematic review on the role of paternal factors in human placental development, function, and pregnancy-related disorders.
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Johnson Jeslin, Nair Sweta, Singh Dipty, Balasinor Nafisa H, Nishi Kumari
Аннотация
BACKGROUND: The human placenta plays an important role in pregnancy and offspring health. The paternal genome contributes significantly to placental growth and development. While the maternal factors affecting gestational health are thoroughly investigated, the paternal factors are often overlooked. Thus, it is important to understand various paternal factors affecting placental development and function.
OBJECTIVE: To assess the effect of various paternal factors on placental development, function, and pregnancy-related disorders.
MATERIALS AND METHODS: This review was registered in PROSPERO (Registration number CRD420250634649). Literatures across databases like JSTOR, Scopus, Google Scholar, ScienceDirect, and PubMed were screened through a set of criteria. Forty-eight studies were selected that included low-to-moderate risk paternal factors like age, smoking, race/ethnicity/location, genetic, epigenetic factors, exposure to chemicals, seminal plasma, and lifestyle factors.
RESULTS: Increased paternal age was reported to contribute towards higher risks of preeclampsia, spontaneous abortions, preterm birth, stillbirth, and higher placental and fetal birth weight. Paternal smoking, on the other hand, was found to be an associated risk factor for placental abruption and stillbirth. Exposure to various chemicals was found to be associated with changes in sperm epigenome and placental dysfunction.
DISCUSSION AND CONCLUSIONS: Paternal health, lifestyle, and exposure to chemicals may affect placental development and pregnancy. Paternal factors may alter seminal plasma proteome, cytokine profile, and abnormal sperm DNA methylation of imprinted genes which is associated with adverse pregnancy outcomes. Pre-conceptional health assessment of prospective fathers might be helpful in ensuring optimal placental development in pregnancies to follow, in addition to newborn health.
OBJECTIVE: To assess the effect of various paternal factors on placental development, function, and pregnancy-related disorders.
MATERIALS AND METHODS: This review was registered in PROSPERO (Registration number CRD420250634649). Literatures across databases like JSTOR, Scopus, Google Scholar, ScienceDirect, and PubMed were screened through a set of criteria. Forty-eight studies were selected that included low-to-moderate risk paternal factors like age, smoking, race/ethnicity/location, genetic, epigenetic factors, exposure to chemicals, seminal plasma, and lifestyle factors.
RESULTS: Increased paternal age was reported to contribute towards higher risks of preeclampsia, spontaneous abortions, preterm birth, stillbirth, and higher placental and fetal birth weight. Paternal smoking, on the other hand, was found to be an associated risk factor for placental abruption and stillbirth. Exposure to various chemicals was found to be associated with changes in sperm epigenome and placental dysfunction.
DISCUSSION AND CONCLUSIONS: Paternal health, lifestyle, and exposure to chemicals may affect placental development and pregnancy. Paternal factors may alter seminal plasma proteome, cytokine profile, and abnormal sperm DNA methylation of imprinted genes which is associated with adverse pregnancy outcomes. Pre-conceptional health assessment of prospective fathers might be helpful in ensuring optimal placental development in pregnancies to follow, in addition to newborn health.