21weeks and baby is measuring at 20 weeks

Knottie61516468

is anyone else or has anyone else  measuring small? We are measuring a week smaller than we should (smallest is the head 7th percentile)? They said it's still normal since I'm overall in the 17th percentile. 

SkiChic626

I think it's normal to measure within 2 weeks.  Plus, those measurements are very subjective.  One sonographer might measure totally different from another.

Jaspertheyoungturnip

I have measured behind my entire pregnancy!  It started out a week behind, then baby was only four days behind, now she's back up to a week! As long as baby is measuring within two weeks on either side, all is well. All babies are different.

Tnallen107

During my A/S yesterday, she told me that my little was measuring about 4 days behind. But she says it was totally normal as long as it is within the 2 week window. Yay for healthy baby!

texasmama2014

Last pregnancy I measured ahead, baby was still born "late."  This time, I'm measuring behind.  I assume we'll  be "late" again.  Also, it's a guess.

Pepper6

Sounds pretty normal.  You have healthy full term babies that are born at 6 lbs and healthy full term babies born at 12 lbs, so it makes sense that they'd be measuring 'ahead' or 'behind' during ultrasounds.

DDRRT1982

The best advice I have ever heard regarding baby size is that your baby has to fall somewhere on the graph, but as long as you are on the graph and your doctor is not worried you shouldn't worry.  I am sure if there is cause for concern your doctor will monitor you closely.  I hope things continue to progress normally.

lmtrmama

I was 2 weeks behind and I started to panic convincing myself something was wrong...my doctor wasn't worried and everything is fine now!! They grow at different rates sometimes!

charmedlifex3

Another vote for "If your doctor isn't worried, you shouldn't be!" Due dates are educated guesses at best, anyways.