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首次计划生育就诊的时间选择仍然重要吗?

Does the timing of the first family planning visit still matter?

作者信息

Finer L B, Zabin L S

机构信息

Johns Hopkins School of Hygiene and Public Health, Baltimore, USA.

出版信息

Fam Plann Perspect. 1998 Jan-Feb;30(1):30-3, 42.

PMID:9494813
Abstract

CONTEXT

The timing of a first family planning visit relative to first intercourse can affect the likelihood of an early unintended pregnancy.

METHODS

Nationally representative data from the 1982, 1988 and 1995 cycles of the National Survey of Family Growth were used to examine changes in the timing of first family planning visits and to explore the degree to which young women are now more likely than in the past to practice contraception independently of making a visit to a provider. Cox proportional hazards models were used to estimate how background variables, visit status and the initiation of contraceptive use affected risks of unintended pregnancy in the four years preceding each survey.

RESULTS

The proportion of women who waited a month or more after their first intercourse to see a provider grew slightly between 1978 and 1995, from 76% to 79%; women waited a median of 22 months after first intercourse in 1991-1995. Any contraceptive use at first intercourse increased among both women who delayed a first visit (from 51% to 75%) and among those whose first visit occurred before their first intercourse or within the same month (from 61% to 91%). Cox proportional hazards analysis suggests that the protective effect of a first family planning visit decreased over the period studied, due in part to the increase in early contraceptive use.

CONCLUSIONS

The importance of the first family planning visit appears to be declining, as sexually active young women who delay their first visit increasingly do so because they are already using a provider-independent method (primarily the condom). Thus, a multifaceted approach to providing family planning may now be needed, in which independent method use and visits to providers both play a role.

摘要

背景

首次计划生育就诊时间与首次性交的间隔会影响意外早孕的可能性。

方法

利用1982年、1988年和1995年全国家庭成长调查周期中的全国代表性数据,研究首次计划生育就诊时间的变化,并探讨与过去相比,年轻女性现在更有可能独立于就诊而采取避孕措施的程度。采用Cox比例风险模型估计背景变量、就诊状态和避孕措施的开始使用如何影响每次调查前四年意外怀孕的风险。

结果

1978年至1995年间,首次性交后等待一个月或更长时间才就诊的女性比例略有上升,从76%升至79%;1991 - 1995年,女性首次性交后的中位等待时间为22个月。首次性交时采取避孕措施的情况在首次就诊延迟的女性中有所增加(从51%增至75%),在首次就诊发生在首次性交前或同月内的女性中也有所增加(从61%增至91%)。Cox比例风险分析表明,在研究期间,首次计划生育就诊的保护作用有所下降,部分原因是早期避孕措施使用的增加。

结论

首次计划生育就诊的重要性似乎在下降,因为延迟首次就诊的性活跃年轻女性越来越多地是因为她们已经在使用不依赖医疗服务提供者的方法(主要是避孕套)。因此,现在可能需要一种多方面的计划生育提供方法,其中独立方法的使用和就诊都发挥作用。

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