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A member asked:
What is the percentage of false negatives a week after you have missed your period?
A doctor has provided 1 answer
Less than 10 percent: Preg test hcg, produced after fertilized egg attaches to uterine wall (6-12 days after ovulation). The soonest preg test is + is 7days. 90% of woman will be positive one day after missed period, and 10% will still be negative even though they are pregnant.
Answered 12/9/2013
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