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    WELLNESS HEALTH

    在线超声妊娠年龄计算器

    By Sanni Muritador
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    使用我们的免费在线超声波妊娠年龄计算器,通过超声波结果确定妊娠持续时间。您可以使用它测量胚胎长度并准确确定妊娠年龄。非常精确

    了解怀孕时间非常重要,这样您就可以确定分娩的持续时间,并监测胎儿的发育和产假的持续时间。

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    超声波妊娠年龄计算器。

     

    [wpcalc-pregnancy id=895]

    妊娠年龄的超声波有多准确?

    婴儿可以在母亲最后月经期后测量,时间早于5或6周。在怀孕早期用超声波测量婴儿是最可靠的。后来在怀孕,它变得不太准确。在怀孕的第8周到第18周之间,使用超声波预测妊娠年龄的最佳时间。

    确定妊娠年龄的最可靠方法是使用女性最后月经期的第一天,并使用超声波测试计算验证此妊娠年龄。

    超声波测量妊娠年龄还是胎儿年龄?

    根据美国妇产科医师学会,您可以使用这些方法来估计妊娠年龄和截止日期:

    • 胚胎或胎儿在妊娠头三个月(最多包括妊娠13 6/7周)的超声波测量是确定或确认妊娠年龄的最准确方法。
    • 如果怀孕是由于辅助生殖技术(ART),应利用 ART 衍生的妊娠年龄来分配估计的到期日 (EDD)。例如,应根据胚胎的年龄和移植日期为妊娠的 EDD 分配。
    • 在妊娠年龄22 0/7周之前,没有超声波检查确认或修改EDD的怀孕应视为时间不理想。(来源)

    如何计算妊娠?

    • LMP 的妊娠从最后一个月经期的第一天计算。
    • 计算 CRL 的妊娠:周 = 5.2876 = (0.1584 * Crown_Rump_Length) - (0.0007 * Crown_Rump_Length2)。这将在超声波时怀孕。
    • 使用公式计算按 BPD 的妊娠:天数 = 2 * BPD = 44.2。这将在超声波时怀孕。
    • 按 HC 计算的妊娠: 周 = eTo (1.854 = (0.010451 * Head_Circumference) - (0.000029919 * Head_Circumference2) = 0.0000043156 * Head_Circumference3)。这将在超声波时怀孕。

    妊娠年龄和胎儿年龄有什么区别?

    妊娠年龄是最后正常月经期(LMP)的妊娠年龄,胎儿年龄是成长中婴儿的实际年龄。

    大多数关于怀孕的提法通常是在妊娠年龄,而不是胎儿年龄发育,但我们已经包括了两者,所以很明显,什么是阶段发育。从头到趾的总长度进行测量,但每次怀孕的重量和长度的测量各不相同,这些只是一个一般准则。

    此外,怀孕分为三个月,每次持续12至14周。这些可以从不同的日期进行测量,类似于开发,因此并非所有三个月计算都是相同的。以下信息将三个三个月分为略大于 3 个月。

    头三个月是第1周至第13周结束,包括第一个、第二和第三个月。通常,第二个三个月在第26周左右结束,包括完成的第四个月、第五个月和第六个月。第三个三个月结束之间的第38至42周,是第7,8和9个月使完全怀孕。

    相关怀孕计算器:

    • 怀孕到期日计算器
    • 在线妊娠年龄计算器:计算预计交货日期 (EDD)
    • 在线怀孕体重增加计算器
    • 基于截止日期的每周怀孕计算器
    • 妊娠期糖尿病饮食计算器
    • 安全日计算器:计算安全期或不育期
    • 家庭怀孕测试 - 它是什么,以及如何准确做?
    • 排卵日历计算器

    Related posts:

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    2. 基于截止日期的每周怀孕计算器
    3. 叶酸和叶酸有什么区别?
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    Sanni Muritador
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    Sanni Muritador is a content writer with years of experience. He started his writing career working for opera news. His hobbies include writing, reading, and playing tennis.I read anything and everything available so I know so many useful and useless things.Want to connect with Sanni Muritador? Reach out to him on Facebook @Muritador Sanni.

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