Start Pregnancy dating date conception

Pregnancy dating date conception

That will happen at your next routine scan at about 20 weeks However, some major problems can be seen at your dating scan, such as issues with the umbilical cord or with your baby's skull or abdominal wall.

It was recently reported that Arizona had changed its abortion law to be the most restrictive – but it hadn’t.

It had just joined other states in making the limit 20 weeks gestational age.

Remember, this is the accepted convention for pregnancy dating – but many articles picked up on that initial two weeks of nothingness in gestational age and confused it with embryological age.

Was this an example of details without understanding of the greater context?

If you are concerned about development, you don’t start counting at week 3 but start at the time of fertilization, two weeks later.

Therefore, the embryological age is generally two weeks later.

If you do know the conception date, this is counted as day 14, not day one.

If your cycle is irregular or you've recently been on the pill, working out the date from your LMP probably won't work. If the scan date differs from your period dates, the scan date will be used.

Finding out about having twins early in pregnancy also gives you more time to prepare for the birth and for your doctor and midwife to plan your care. Nearly all scans after 10 weeks can be done through your tummy, and most units ask you to arrive with a full bladder.

The sonographer will put some gel on your tummy and move a small hand-held device (transducer) over your skin to get views of your baby.

However, women are not textbooks and sometimes have shorter or longer cycles and/or have ovulation at slightly different times.