🐕 狗狗孕期（预产期）计算器Dog Pregnancy Calculator
由配种日期（或排卵日期）估算狗狗的预产期和孕期关键节点：B 超确认、X 光数胎、体温下降监测等。犬的妊娠期从排卵算约 63 天，从第一次配种算为 58–72 天。Estimate a dog's due date and pregnancy milestones — ultrasound, X-ray puppy count, temperature watch — from the breeding (or ovulation) date. Gestation is about 63 days from ovulation, or 58–72 days from the first breeding.
使用说明与常见问题How-to & FAQ
「狗狗孕期（预产期）计算器」是什么？What is the Dog Pregnancy Calculator tool?
由配种日期（或排卵日期）估算狗狗的预产期和孕期关键节点：B 超确认、X 光数胎、体温下降监测等。犬的妊娠期从排卵算约 63 天，从第一次配种算为 58–72 天。Estimate a dog's due date and pregnancy milestones — ultrasound, X-ray puppy count, temperature watch — from the breeding (or ovulation) date. Gestation is about 63 days from ovulation, or 58–72 days from the first breeding.
如何使用「狗狗孕期（预产期）计算器」？How do I use the Dog Pregnancy Calculator tool?
在「狗狗孕期（预产期）计算器」中，填写「日期」、「这个日期是」等参数，结果会随输入实时计算并显示在下方。In the Dog Pregnancy Calculator: Fill in "Date", "This date is the"; results are recalculated instantly as you type.
狗狗怀孕多少天？How long are dogs pregnant?
从排卵算约 63 天（误差约 1 天）；从第一次配种算是 58–72 天（《默克兽医手册》、加州大学戴维斯分校兽医学院），因为精子可在体内存活一周左右，配种不一定是受孕当天；康奈尔大学兽医学院给出的估计是配种后 63 ± 7 天。经孕酮检测确定排卵日的预测最准。About 63 days from ovulation (give or take a day). From the first breeding it is 58–72 days (Merck Veterinary Manual; UC Davis School of Veterinary Medicine), because sperm can survive about a week and mating is not always the day of conception; Cornell's College of Veterinary Medicine gives 63 ± 7 days from breeding. Progesterone-timed ovulation gives the best estimate.
什么时候该联系兽医？When should I call the vet?
体温下降后 24 小时仍未分娩、强烈宫缩 30 分钟以上没有产出幼崽、两只幼崽间隔超过 2 小时，或从排卵算超过 64–65 天未分娩，都应尽快就医。Call if whelping hasn't started 24 hours after the temperature drop, if strong straining goes 30 minutes with no puppy, if more than 2 hours pass between puppies, or if she is past day 64–65 from ovulation.
结果可以代替医生的建议吗？Can this replace medical advice?
不能。「狗狗孕期（预产期）计算器」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 Dog Pregnancy Calculator gives estimates from common formulas; individuals differ, so consult a doctor or professional for health decisions.
「狗狗孕期（预产期）计算器」免费吗？需要注册吗？Is the Dog Pregnancy Calculator free? Do I need an account?
「狗狗孕期（预产期）计算器」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 Dog Pregnancy 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.