So it will usually happen during your routine dating scan.

Having a scan in the first few months of pregnancy can be a thrilling experience.

She’s been good for Rob, and it’s been too many years since we’ve had full-on Kardashian wedding pictures to look at.

Rob Kardashian and Blac Chyna kind of got engaged last night, we think. We’re really only going off their Instagram accounts, so this may be an elaborate post-April Fools’ Day prank for all we know. I love weddings, and I happen to be a big fan of them as a couple.

Either way, the screening test will give you as much information as possible, so you can decide whether or not you want to have a diagnostic test.

IUGR is a clinical term, and the diagnosis is usually based on small size for gestational age at birth (SGA). Women seem to be programmed for having births of a certain size; some SGA babies are not IUGR, and some larger babies are still IUGR.

A large number of growth charts, based on populations with different inclusion criteria and constructed according to different methods, have been developed and used; this complicates or invalidates comparisons between studies and populations.

In that situation, other parameters can be used in addition to CRL.

A nuchal scan, or nuchal translucency (NT) scan, is often used as a screening test for Down's syndrome.