Clinical characteristics and antibody responses to Omicron variants among pregnant women in China during the December 2022–April 2023 COVID-19 pandemic wave - Takeaways - MDSpire

Clinical characteristics and antibody responses to Omicron variants among pregnant women in China during the December 2022–April 2023 COVID-19 pandemic wave

  • By

  • Zhang, Hangjie

  • Yin, Haichang

  • Bao, Ruijing

  • Ma, Lanxin

  • Dai, RongRong

  • Liu, Xinyu

  • Xu, Nani

  • He, Fang

  • Jiang, Jianmin

  • May 18, 2026

  • 0 min

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  • 1

    The study involved 223 pregnant women and 31 healthy non-pregnant women in Zhejiang Province from December 2022 to April 2023.

  • 2

    Pregnant women experienced prolonged symptom recovery from COVID-19, with 73.0% taking over one week to recover compared to 23.1% of controls.

  • 3

    Pregnant women had a significantly higher medical consultation rate during COVID-19, at 73.0% versus 15.4% for non-pregnant women.

  • 4

    Neutralizing antibody levels against Omicron BA.4/5 showed no significant difference between pregnant and non-pregnant women.

  • 5

    Pregnant women exhibited lower XBB.1.5 neutralizing antibody titers compared to controls, with geometric mean titers of 16.35 and 45.96 respectively.

Original Source(s)

Clinical characteristics and antibody responses to Omicron variants among pregnant women in China during the December 2022–April 2023 COVID-19 pandemic wave

  • by Zhang, Hangjie , Yin, Haichang , Bao, Ruijing , Ma, Lanxin , Dai, RongRong , Liu, Xinyu , Xu, Nani , He, Fang , Jiang, Jianmin

  • May 18, 2026

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