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The study author on that page says: > ... there’s no evidence that the vaccine has any impact on menstruation, fertility, any of these reproductive outcomes.

The study author on that page says: > ... there’s no evidence that the vaccine has any impact on menstruation, fertility, any of these reproductive outcomes. This is an interesting read, and the folks interviewed run the PRESTO NIH-funded study which tracks all aspects of pregnancy and menstruation. They say they heard a bunch of anecdotes, have some theories on what could cause this (if it in fact exists) - but that there is insufficient data to claim any adverse outcomes at all. The reality is, to the best of my knowledge (I am a man, so keep that in mind) menstrual cycles are highly variable and do not follow a fixed predictable 28 day cycle. If I had to guess, these menstrual changes were completely uncorrelated but that the women nervous about vaccination self-selected to make these reports. The PRESTO folks will collect and analyze data via PRESTO and share the results in due time.

merlincorey 5y ago
My point isn't whether or not there is yet scientific evidence of vaccines causing an impact on menstruation, as opposed to the anecdotal evidence mentioned in the article and by myself above. My point is that scientific researchers seem to look at timescales of 6 months for short term side effects rather than 1 month the GP seems to believe is a hard cut off for short term side effects.
- arcticbull 5y ago
  Anecdotes aren't useful when the population set is billions. You will be able to find someone who took a COVID vaccine and then X happened. Car crashes, amputations, stillbirths, weddings, job promotions, winning the lottery even. That's just the law of large numbers. They're really not relevant to the discourse - quite damaging actually because of the outsize attention they receive. > My point is that scientific researchers seem to look at timescales of 6 months for short term side effects rather than 1 month the GP seems to believe is a hard cut off for short term side effects. Likely because we know how vaccines work, we've had them for about 300 years. mRNA vaccines have been in development for almost 60 years, and adenoviral vector vaccines for the same period of time give or take. There's no reason to believe that these vaccines have effects outside the timescales being used. The entire world is actively monitoring the roll-out of these vaccines.
  - merlincorey 5y ago
    I feel like you have missed my point still even though you quoted and responded to it. I quoted and linked to a scientific researcher who is looking for side effects on the time scale of 6 months. You then respond to tell me "we know how vaccines work... There's no reason to believe that these vaccines have effects outside the timescales being used" Okay, so is the time scale 1 month or 6 months?

merlincorey 5y ago

My point isn't whether or not there is yet scientific evidence of vaccines causing an impact on menstruation, as opposed to the anecdotal evidence mentioned in the article and by myself above. My point is that scientific researchers seem to look at timescales of 6 months for short term side effects rather than 1 month the GP seems to believe is a hard cut off for short term side effects.

arcticbull 5y ago
Anecdotes aren't useful when the population set is billions. You will be able to find someone who took a COVID vaccine and then X happened. Car crashes, amputations, stillbirths, weddings, job promotions, winning the lottery even. That's just the law of large numbers. They're really not relevant to the discourse - quite damaging actually because of the outsize attention they receive. > My point is that scientific researchers seem to look at timescales of 6 months for short term side effects rather than 1 month the GP seems to believe is a hard cut off for short term side effects. Likely because we know how vaccines work, we've had them for about 300 years. mRNA vaccines have been in development for almost 60 years, and adenoviral vector vaccines for the same period of time give or take. There's no reason to believe that these vaccines have effects outside the timescales being used. The entire world is actively monitoring the roll-out of these vaccines.
- merlincorey 5y ago
  I feel like you have missed my point still even though you quoted and responded to it. I quoted and linked to a scientific researcher who is looking for side effects on the time scale of 6 months. You then respond to tell me "we know how vaccines work... There's no reason to believe that these vaccines have effects outside the timescales being used" Okay, so is the time scale 1 month or 6 months?