jean claude van damme dating history - Dating a pregnancy without periods

This is presuming that the pregnancy is actually at this stage of development.Sometimes a trans-vaginal examination shows that your pregnancy is less advanced than expected.If you have more than one ultrasound during your pregnancy, giving you 'multiple dates', then the earliest ultrasound estimate should be used, because it will be more accurate.

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Even average babies can differ by up to 2 to 3 "weeks of growth";.

These scans are only used to estimate the due date of your baby if this is all you have to go on.

With female celebrities regularly debuting babies at age 45 and up, it can be easy to forget that getting pregnant grows increasingly more difficult with age.

A number of factors make both conception and a healthy pregnancy harder for women in their 40s.

Ultrasound examinations from 12 to 22 weeks are regarded as being within 10 days of accuracy (or up to 10 days earlier or 10 days later than the woman's calculated due date).

Ultrasounds performed after 22 weeks gestation cannot be used to estimate the due date of the baby because the size no longer reflects the age very well.

Namely, as you near perimenopause, ovulation becomes irregular, making conception more difficult.

Secondly, whereas men are constantly producing new sperm, women are born with all the eggs they’ll ever produce.

The earlier the ultrasound is done, the more accurate it is at estimating the baby's due date.

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