17% of the eggs studied from women 20-25 years old were found to have an abnormal spindle appearance and at least one chromosome displaced from proper alignment. 79% of the eggs studied from women 40-45 years old were found to have an abnormal spindle appearance and at least one chromosome displaced from proper alignment.Miscarriage is strongly associated with genetic damage. From here:
Age 30-39 = 25% chance of miscarriageBut, really, what difference do the exact numbers make? The fact is that pregnancy after a certain age is absolutely fraught with enormous risk to both the mother and the child.
Age 40-45 = 50% chance of miscarriage
Age >45 = 95% chance of miscarriage.
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posted by Riki tiki at 8:50 PM on July 12 [1 favorite]