Does implantation counted to pregnancy weeks?
Yes, you actually count from the first day you started your last period. Google due date calculators and enter in the first day of your last period. That will give you a due date. Good luck!-K
Why does Toxins usually cause more severe medical problems if exposure is during the first eight weeks of pregnancy rather than during the later weeks?
Because it's in thise first weeks the main organs that will keep the body going is formed, the brain and heart etc.
What is the latest implantation can occur in a viable pregnancy?
14-16 days past ovulation...but rare
How many weeks does a pregnancy last?
Your due date is an estimated by adding 40 weeks to the first day of your last menstrual period. Forty weeks is the average length of a pregnancy, but anywhere between 38 and 42 weeks is considered...
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