👶 试管婴儿（IVF）预产期IVF Due Date Calculator
按胚胎移植日期和胚胎天数计算预产期：第 5 天囊胚 + 261 天，第 3 天胚胎 + 263 天；也可按取卵日 + 266 天。仅供参考。本地处理。Due date from the embryo transfer date and embryo age: day-5 blastocyst + 261 days, day-3 embryo + 263 days; or egg retrieval + 266 days. For reference only. Processed locally.
使用说明与常见问题How-to & FAQ
「试管婴儿（IVF）预产期」是什么？What is the IVF Due Date Calculator tool?
按胚胎移植日期和胚胎天数计算预产期：第 5 天囊胚 + 261 天，第 3 天胚胎 + 263 天；也可按取卵日 + 266 天。仅供参考。本地处理。Due date from the embryo transfer date and embryo age: day-5 blastocyst + 261 days, day-3 embryo + 263 days; or egg retrieval + 266 days. For reference only. Processed locally.
如何使用「试管婴儿（IVF）预产期」？How do I use the IVF Due Date Calculator tool?
选择日期，并在「日期类型」中选择是第 5 天囊胚移植、第 3 天胚胎移植还是取卵日，即可得到预产期。仅供参考。结果会随输入实时更新。Pick the date and choose under "Date type" whether it is a day-5 blastocyst transfer, a day-3 embryo transfer or the egg retrieval date to get the due date. For reference only. The result updates as you type.
准确吗？How accurate?
IVF 受孕日期确定，但自然分娩仍常在预产期前后两周内。Conception timing is known, but birth still usually falls within two weeks either side.
能举个计算实例吗？Can you show a worked example?
例如在「试管婴儿（IVF）预产期」中填 日期 = 2026-03-01，日期类型 = 第 5 天囊胚移植，结果区显示：预产期：2026-11-17；相当于末次月经：2026-02-10；相加天数：261For example, entering Date = 2026-03-01, Date type = Day-5 transfer in the IVF Due Date Calculator gives: Due date: 2026-11-17; Equivalent LMP: 2026-02-10; Days added: 261
有哪些选项可以调整？What options can I adjust?
「试管婴儿（IVF）预产期」的设置：「日期」默认 2026-03-01；「日期类型」可选 第 5 天囊胚移植、第 3 天胚胎移植、取卵 / 受精日（默认 第 5 天囊胚移植）。每次生成结果都按当前设置处理。Settings in the IVF Due Date Calculator — "Date" default 2026-03-01; "Date type": Day-5 transfer, Day-3 transfer, Egg retrieval (default Day-5 transfer). The result always uses the current settings.
结果可以代替医生的建议吗？Can this replace medical advice?
不能。「试管婴儿（IVF）预产期」基于常用公式给出估算，个体差异较大，如有健康问题请咨询医生或专业人士。No. The IVF Due Date Calculator gives estimates from common formulas; individuals differ, so consult a doctor or professional for health decisions.
「试管婴儿（IVF）预产期」免费吗？需要注册吗？Is the IVF Due Date Calculator free? Do I need an account?
「试管婴儿（IVF）预产期」完全免费，无需注册或安装，打开网页即可使用，手机和电脑都能用；输入的内容只在你的浏览器本地处理。The IVF Due Date Calculator is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.