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怀孕时间表

怀孕第 13 周的宝宝

在出生前与宝宝建立联系是一种奇妙的体验。

在第 13 周,您的宝宝正在快速成长。在这个早期阶段,至关重要的发育正在微观层面发生。

长度和重量
7.4 厘米 / 23 克
您的宝宝大小像一个
柠檬
里程碑
独特的指纹
症状
随着第一孕期结束,精力通常开始恢复。

宝宝的发育

指纹正在那些微小的指尖上形成。声带正在发育。如果是女孩,她的卵巢里已经含有卵子。

从第 14 周开始,当面部结构更加清晰时,即可使用 AI 生成功能。

A Closer Look at Week 13

Congratulations — you are reaching the end of your first trimester! At 13 weeks, your baby is the size of a lemon and is developing something entirely unique: fingerprints. The tiny ridges forming on the fingertips will create a pattern that is completely individual to your baby — no two sets of fingerprints are alike, not even in identical twins. This is one of nature's most fascinating forms of personal identity.

Vocal cords are also forming this week, laying the groundwork for that first cry that will one day fill the delivery room. If you are carrying a girl, her ovaries already contain approximately two million eggs — the full lifetime supply she will ever have. It is truly remarkable to think that a part of your future grandchildren already exists within your baby.

For many expectant mothers, the end of the first trimester brings a welcome surge of energy. The debilitating fatigue and nausea that characterised the early weeks often begin to lift as hormone levels stabilise and the placenta takes over progesterone production. This second-trimester energy boost is sometimes called the 'honeymoon period' of pregnancy, and many women find it the most enjoyable phase.

That said, every pregnancy is different, and some women continue to experience fatigue or nausea well into the second trimester. Don't compare your experience to others or feel pressure to become suddenly energetic. Listen to your body, rest when you need to, and continue eating nutritious, balanced meals. If you haven't already shared your news with your employer, now might be a good time to begin thinking about that conversation and exploring your maternity leave options.

第 13 周超声波:期待什么

在第 13 周左右进行超声波检查是很常见的。 这通常是进行颈后透明层 (NT) 扫描的时候。

超声波洞察:第 13 周

  • 里程碑: 指纹正在那些微小的指尖上形成。声带正在发育。如果是女孩,她的卵巢里已经含有卵子。
  • 专家提示: 让自己休息——你的身体正在努力工作。

Content Source

This article has been compiled using information from publicly available maternal health resources, including the WHO, NHS, and ACOG guidelines. This content is for general educational purposes only and should not replace personalised advice from your healthcare provider.

Last reviewed: March 2026