{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,4]],"date-time":"2026-09-04T03:13:27Z","timestamp":1788491607465,"version":"build-2803163510"},"reference-count":74,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2022,2,16]],"date-time":"2022-02-16T00:00:00Z","timestamp":1644969600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100012166","name":"National Key Research and Development Program of China","doi-asserted-by":"publisher","award":["2018YFC1004203"],"award-info":[{"award-number":["2018YFC1004203"]}],"id":[{"id":"10.13039\/501100012166","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100019033","name":"Key Research and Development Program of Liaoning Province","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100019033","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Nutr."],"abstract":"<jats:p>There is a lack of research on preconception diet and reproductive outcomes conducted in the Chinese population using individual assessment. Between April 2017 and April 2020, 2,796 couples undergoing<jats:italic>in vitro<\/jats:italic>fertilization treatment were recruited in this ongoing prospective cohort, and 1,500 eligible couples were included in the final analysis. A validated semi-quantitative food frequency questionnaire was used to evaluate the maternal preconception diet. Other lifestyle factors, including smoking status, psycho-mental status, sleep quality, and physical activity, were also assessed. Five dietary patterns were identified using principal component analysis, namely \u201cFruits-Vegetables-Dairy-Eggs,\u201d \u201cFish\/Seafood-Animal blood,\u201d \u201cTubers-Beans-Cereals,\u201d \u201cPuffed food-Candy-Bakery,\u201d and \u201cDried Fruits-Organs-Rice.\u201d After adjusting for multiple confounders, we detected that the women who are more inclined to the \u201cFruits-Vegetables-Dairy-Eggs\u201d pattern and less adherent to the \u201cTubers-Beans-Cereals\u201d were more likely to achieve normally fertilized eggs and transferable embryos. Regarding pregnancy outcomes, we observed that a lower \u201cPuffed food-Candy-Bakery\u201d score and a higher \u201cDried fruits-Organs-Rice\u201d score were related to a higher likelihood to achieve biochemical pregnancy. In terms of pregnancy complications, an inverse association between \u201cFish\/Seafood-Animal blood\u201d and hypertensive disorders was observed. We further clustered the dietary patterns based on the proportion of food groups consumed and found that dairy intake was beneficial to embryo quality, while frequent rice consumption was associated with a higher risk of macrosomia. Notably, in the stratified analysis, we observed that the positive relationship between the \u201cFruit-Dairy-Vegetables-Eggs\u201d score and normal fertilization and the inverse association of the \u201cFish\/Seafood-Animal blood\u201d score with hypertensive disorders during pregnancy were exhibited only among women with body mass index \u226525 kg\/m<jats:sup>2<\/jats:sup>. In conclusion, pre-treatment diets might be an important target for intervention to achieve a better reproductive outcome.<\/jats:p>","DOI":"10.3389\/fnut.2022.808355","type":"journal-article","created":{"date-parts":[[2022,2,16]],"date-time":"2022-02-16T04:58:57Z","timestamp":1644987537000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":14,"title":["Preconception Dietary Patterns and Associations With IVF Outcomes: An Ongoing Prospective Cohort Study"],"prefix":"10.3389","volume":"9","author":[{"given":"Shanshan","family":"Wu","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xudong","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xinyang","family":"Zhao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xinyao","family":"Hao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Siwen","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pingping","family":"Li","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jichun","family":"Tan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2022,2,16]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"1786","DOI":"10.1093\/humrep\/dex234","article-title":"The international glossary on infertility and fertility care, 2017","volume":"32","author":"Zegers-Hochschild","year":"2017","journal-title":"Hum Reprod."},{"key":"B2","doi-asserted-by":"publisher","first-page":"10952","DOI":"10.18632\/aging.102497","article-title":"Global, regional, and national prevalence and disability-adjusted life-years for infertility in 195 countries and territories, 1990-2017: Results from a Global Burden of Disease Study, 2017","volume":"11","author":"Sun","year":"2019","journal-title":"Aging (Albany NY)."},{"key":"B3","doi-asserted-by":"publisher","first-page":"2380","DOI":"10.1093\/humrep\/dep218","article-title":"International estimates on infertility prevalence and treatment seeking: Potential need and demand for medical care","volume":"24","author":"Boivin","year":"2009","journal-title":"Hum Reprod."},{"key":"B4","doi-asserted-by":"publisher","first-page":"2108","DOI":"10.1093\/humrep\/dew123","article-title":"Prevalence of infertilityand help seeking among 15 000 women and men","volume":"31","author":"Datta","year":"2016","journal-title":"Hum Reprod."},{"key":"B5","doi-asserted-by":"publisher","first-page":"1113","DOI":"10.1016\/j.fertnstert.2016.01.017","article-title":"Access to and use of infertility services in the United States: Framing the challenges","volume":"105","author":"Adashi","year":"2016","journal-title":"Fertil Steril."},{"key":"B6","doi-asserted-by":"publisher","first-page":"180","DOI":"10.1016\/j.fertnstert.2016.03.009","article-title":"Lifestyle and pregnancy loss in a contemporary cohort of women recruited before conception: The LIFE Study","volume":"106","author":"Buck Louis","year":"2016","journal-title":"Fertil Steril."},{"key":"B7","doi-asserted-by":"publisher","first-page":"379","DOI":"10.1016\/j.ajog.2017.08.010","article-title":"Diet and fertility: a review","volume":"218","author":"Gaskins","year":"2018","journal-title":"Am J Obstet Gynecol."},{"key":"B8","doi-asserted-by":"publisher","first-page":"1555","DOI":"10.1007\/s40279-016-0669-8","article-title":"Effect of exercise on ovulation : a systematic review","volume":"47","author":"Hakimi","year":"2016","journal-title":"Sport Med"},{"key":"B9","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1186\/s12958-018-0436-9","article-title":"Pietro, Baldari C, Aversa A. 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