Breastfeeding rate survey: Analysis by combining factors of presence of previous delivery and age in Japanese women.

IF 1 4区医学 Q3 PEDIATRICS

Pediatrics International Pub Date : 2025-01-01 DOI:10.1111/ped.70029

Shigeru Nishimaki, Kazuhiro Iwama, Masafumi Yamamoto, Takeshi Ikegaya, Azusa Uozumi

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引用次数: 0

Abstract

Background: Age and presence of previous delivery are inextricably linked to breastfeeding. This study aims to examine breastfeeding during the first year after childbirth by combining four factors: primiparas and multiparas, as well as ages <35 years and ≥35 years.

Methods: Four hundred thirty-six healthy mothers and their infants (vaginally delivered singleton term infants with birth weight >2500 g) were divided into four groups: (1) 134 pairs of primiparas aged <35 years and their infant (P [<35] group), (2) 72 pairs of primiparas aged ≥35 years and their infant (P [≥35] group), (3) 108 pairs of multiparas aged <35 years and their infant (M [<35] group), and (4) 122 pairs of multiparas aged ≥35 years and their infant (M [≥35] group), and the breastfeeding rate was examined at 0, 1, 2, 4, 6, 8, 10, and 12 months after childbirth.

Results: The percentage of the 436 cases with only breastfeeding was 59.6% at 0 months, 69.1% at 4 months, and 56.6% at 12 months. Comparing the four groups, the percentage with only breastfeeding in decreasing order was M [<35] group (70.8%-85.8%, range of rates at each time point) > M [≥35] group (57.9%-69.4%) > P [<35] group (47.8%-61.2%) > P [≥35] group (36.1%-51.4%).

Conclusions: There were difficulties with breastfeeding for primiparas, especially those aged ≥35 years. We propose that breastfeeding should be analyzed by combining maternal age and presence or absence of previous delivery together rather than as independent factors.

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母乳喂养率调查：结合日本妇女是否有过分娩和年龄因素分析。

背景：年龄和是否有过分娩与母乳喂养有着密不可分的联系。本研究结合初产、多产、年龄4个因素，对分娩后1年的母乳喂养情况进行考察。方法：将健康母亲及其婴儿（顺产单胎足月婴儿，出生体重> ~ 2500 g） 436例分为4组：(1)高龄初产134对。结果：仅母乳喂养的436例，0个月时为59.6%，4个月时为69.1%，12个月时为56.6%。四组比较，仅母乳喂养的比例由高到低依次为M [M[≥35]组（57.9% ~ 69.4%）比P [P[≥35]组（36.1% ~ 51.4%）。结论：初产妇母乳喂养存在困难，尤其是年龄≥35岁的初产妇。我们建议，母乳喂养应该结合母亲的年龄和是否有过分娩，而不是作为独立的因素来分析。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Pediatrics International 医学-小儿科

CiteScore

2.00

自引率

7.10%

发文量

519

审稿时长

12 months

期刊介绍： Publishing articles of scientific excellence in pediatrics and child health delivery, Pediatrics International aims to encourage those involved in the research, practice and delivery of child health to share their experiences, ideas and achievements. Formerly Acta Paediatrica Japonica, the change in name in 1999 to Pediatrics International, reflects the Journal''s international status both in readership and contributions (approximately 45% of articles published are from non-Japanese authors). The Editors continue their strong commitment to the sharing of scientific information for the benefit of children everywhere. Pediatrics International opens the door to all authors throughout the world. Manuscripts are judged by two experts solely upon the basis of their contribution of original data, original ideas and their presentation.