Changes in ambient environmental conditions correspond to variations in in vitro fertilization outcomes during the COVID-19 pandemic - Takeaways - MDSpire

Changes in ambient environmental conditions correspond to variations in in vitro fertilization outcomes during the COVID-19 pandemic

  • By

  • Heeyon Kim

  • Hyun Jun Kim

  • Soyeong Park

  • Yun Soo Chung

  • Jin Kyung Baek

  • Yebon Kim

  • Jeongmi Yoon

  • Chungsoon Ryu

  • Bo Hyon Yun

  • Young Sik Choi

  • Daewoo Pak

  • Seok Kyo Seo

  • Yohan Ko

  • June 9, 2026

  • 0 min

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  • 1

    The study analyzed 2,162 oocyte retrieval cycles at a tertiary center in Seoul, South Korea, from 2018 to 2024.

  • 2

    Mature oocyte rates were significantly lower during and after the COVID-19 pandemic compared to pre-COVID rates.

  • 3

    The fertilization rate increased in the post-COVID group compared to pre-COVID, while rates during COVID were not significantly different.

  • 4

    Pregnancy rates did not show significant differences across the pre-, during-, and post-COVID periods.

  • 5

    Long-term environmental exposures significantly modified the effects on mature oocyte rates during the pandemic.

Original Source(s)

Changes in ambient environmental conditions correspond to variations in in vitro fertilization outcomes during the COVID-19 pandemic

  • by Heeyon Kim, Hyun Jun Kim, Soyeong Park, Yun Soo Chung, Jin Kyung Baek, Yebon Kim, Jeongmi Yoon, Chungsoon Ryu, Bo Hyon Yun, Young Sik Choi, Daewoo Pak, Seok Kyo Seo, Yohan Ko

  • June 9, 2026

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