COVID-19 疫苗和怀孕

须知事项

 

美国母胎医学协会 (SMFM)、美国疾病控制与预防中心 (CDC) 和其他妊娠专家建议处于孕期、哺乳期、正在备孕或未来可能怀孕的人群接种 COVID-19 疫苗。

接种是让您和您的宝宝降低 COVID-19 感染风险和 COVID-19 相关并发症的最佳方式。

 

 

孕妇如果感染了 COVID 会病得很重。

每 1000 名感染 COVID-19 的孕妇中约有 1 - 3 人会发展成严重疾病 (1, 2)。与未怀孕的人士相比,感染 COVID-19 病毒的孕妇:

·        需要 ICU 护理的可能性增加 3 倍

·        需要高级生命支持系统和呼吸管的可能性增加 2 到 3 倍

·        因 COVID-19 死亡的风险略有增加

它们还可能增加死产和早产的风险 (3-5)。

数据显示,年龄较大的孕妇;那些已经有健康问题的孕妇,如肥胖、糖尿病和心脏疾病;以及黑人或拉丁裔人患严重疾病和死于 COVID-19 的风险特别高 (3-5)。

接种疫苗

您可以在孕期的任何时候接种该疫苗。无需等到怀孕后期再接种疫苗。

可用于预防 COVID-19 的三种疫苗:

  • 适用于 12 岁及以上人群的两剂辉瑞疫苗;以及,适用于 5 至 11 岁人群的低剂量疫苗(也分两剂接种)。第二剂在第一剂接种后的 21 天后接种 (6)。

  • 适用于 18 岁及以上人群的两剂莫德纳疫苗。第二剂在第一剂接种后的 28 天后接种 (6)。

  • 适用于 18 岁及以上人群的一剂强生疫苗 (7)。

CDC 建议人们优先接种 mRNA 疫苗(辉瑞或莫德纳),而不是强生疫苗。此建议的理由
如下:

  • mRNA 疫苗针对最近的 COVID-19 变体具有卓越的有效性

  • 强生疫苗可能会导致一种非常罕见但严重的副作用(血凝块)

  • 美国目前有大量的 mRNA 疫苗供应

任何不愿意或不能接种 mRNA 疫苗的人仍然可以接种强生疫苗 (8)。

为什么要接种疫苗?

若您处于孕期或正在备孕,以及考虑接种疫苗,请考虑与您的医疗护理专业人士讨论疫苗问题。为了帮助您做出决定,您应该考虑以下要点:

疫苗作用

若您感染了 COVID-19,这些疫苗可以帮助您避免罹患严重疾病和住院对于两剂疫苗,您应该同时接种两剂疫苗和一剂加强针,以获得最大的效果。

接种疫苗可能有助于保护您的宝宝

在怀孕期间接种疫苗可能有助于将抵抗 COVID-19 的抗体传递给宝宝。在对已接种疫苗的母亲的大量研究中,在婴儿的脐带血和母亲的母乳中发现了抗体 (9-19)。

疫苗不会穿过胎盘,也不会影响未来的生育能力

目前的 COVID-19 疫苗不是活疫苗。疫苗不会穿过胎盘,因为它们很快就会被注射部位的肌肉分解。您的身体针对疫苗所产生的抗体确实会穿过胎盘,保护您的宝宝在出生后免受 COVID-19 的感染。

没有证据表明疫苗会影响未来的生育能力。

副作用呢?

在接种疫苗后的前 3 天内可能会出现副作用 (6)。症状包括轻度至中度发烧、头痛和肌肉疼痛。第二剂辉瑞和莫德纳疫苗的副作用可能更严重(1, 20)。怀孕期间应避免发烧,特别是在前三个月。专家建议接种疫苗并发烧的孕妇服用对乙酰氨基酚(泰诺)。这种药物在怀孕期间使用是安全的,不影响疫苗的作用方式。

CDC 和其他联邦合作伙伴正在监测疫苗接种者的严重副作用 (21)。您可以通过注册 v-safe (对接种人群进行监控的计划)来帮助开展这一项工作。未发生意外的怀孕或胎儿问题。目前还无关于妊娠失败、生长问题或出生缺陷风险增加的报告 (21, 22)。

 

注册 V-Safe

v-safe 疫苗接种后健康检查计划让 CDC 在您接种疫苗后可以对您进行检查。注册时请表明您是孕妇。一旦您这么做了,就将发生如下事项:

  • V-safe 计划人员会向您致电,询问一些初步的问题并获得更多的信息。

  • 您可能会被要求在怀孕疫苗注册表上进行登记,该表正在收集有关怀孕期间任何疫苗影响的信息。这是帮助科学家监测疫苗安全性和有效性的一个好方法。

This translation was supported by the American College of Obstetricians and Gynecologists (ACOG) and the Centers for Disease Control and Prevention (CDC) of the U.S. Department of Health and Human Services (HHS) as a part of a financial assistance award totaling $15,000 with 100 percent funded by ACOG and CDC/HHS. The contents are those of the author(s) and do not necessarily represent the official views of, nor an endorsement, by ACOG, CDC/HHS, or the U.S. Government.

 

参考:

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4. Panagiotakopoulos L, Myers TR, Gee J, Lipkind HS, Kharbanda EO, Ryan DS, et al. SARS-CoV-2 Infection Among Hospitalized Pregnant Women: Reasons for Admission and Pregnancy Characteristics - Eight U.S. Health Care Centers, March 1-May 30, 2020. MMWR Morbidity and mortality weekly report 2020 Sep 23;69(38):1355-9.

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7. FDA Briefing Document. Janssen Ad26.COV2.S Vaccine for the Prevention of COVID-19. 2021  Accessed  Mar 5, 2021; Available from: https://www.fda.gov/media/146217/download

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