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What is the percentage of false negatives a week after you have missed your period?

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Dr. Ihab Ibrahim
Pain Management

In brief: 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.

In brief: 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.
Dr. Ihab Ibrahim
Dr. Ihab Ibrahim
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