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  2. The current evidence of the impact of COVID-19 mRNA vaccine on human fertility is still very limited. Fortunately, two studies have shown that both BNT162b2 and mRNA-1273 vaccination have no influence on sperm parameters, including sperm concentration, semen volume, sperm motility, sperm volume and total number of motile sperm ( Gonzalez et al ...

  3. May 28, 2021 · There is no evidence that COVID-19 vaccines impair fertility in men or women, impact the menstrual cycle, or cause adverse pregnancy outcomes. Rates of adverse pregnancy outcomes in patients participating in the v-safe vaccine registry are similar to rates of these outcomes before the pandemic.

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  4. Oct 21, 2021 · Fears of adverse effects of COVID-19 vaccination on fertility have affected vaccine uptake in some communities. Despite the absence of supporting evidence for such a risk, low biological plausibility, and preliminary data supporting the safety of mRNA vaccines in pregnancy, , , this claim has become widespread, and it has been challenged by WHO.

    • Kushalinii Hillson, Sue Costa Clemens, Shabir A Madhi, Merryn Voysey, Andrew J Pollard, Angela M Min...
    • 2021
  5. Jun 16, 2021 · Among live-born infants, the incidences of preterm birth (9.4%), small size for gestational age (3.2%), and congenital anomalies (2.2%) were consistent with those expected on the basis of published...

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