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You"re an ext likely to show early if you"re short, moving multiple babies, or you"ve been pregnant before.
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Pregnancy bumps room as diverse as the babies they produce.

You are watching: 16 weeks pregnant not showing

You begin to display in pregnant at 12 to 16 weeks

If it"s your very first pregnancy you"ll probably start come show in between 12 come 16 weeks. However this initial bump is not from the baby. In fact, in ~ 15 weeks, the average fetus is 4 customs long, or around as huge as one orange.

So that "baby bump" isn"t native the baby"s size, yet rather the expansion of your uterus.

"As the uterus it s okay bigger v a emerging pregnancy, the loops the bowel which to fill the abdomen are moved upwards and also out come the sides," claims Meg Wilson, MBBS, one OB-GYN at London Gynaecology.

When you"ll probably show early

Height: If you have actually a short abdomen, your bump will most likely pop out sooner than for taller women v a much longer abdomen. "Women who have actually a lengthy abdomen may have an ext space for their uterus to develop upwards rather than outwards, i m sorry can give the illustration of a smaller sized bump," Wilson says.Weight: If you"re smaller sized with less body fat, you"ll probably display much earlier than who with an ext body fat.Not your very first rodeo: You"re an ext likely to present early if this isn"t your first pregnancy. "The uterus is organized in position at the prior by the abdominal muscle walls: skin and muscle strength," says Wilson. "For women that have had several pregnancies, the skin and muscle end up being weaker and the pregnant uterus can autumn forward more."

When you need to worry around bump size

By main 20, your medical professional will start measuring your fundal size — that"sthe distance between the pubic bone and the optimal of the uterus. Typically, this number should correlate through your mainly of pregnancy.

So, for example, if your fundal length is 25 centimeters, you should be in or close to your 25th week of pregnancy.

If, however, your fundal length is also high, it might indicate growth troubles with the baby favor fetal macrosomia, which is as soon as a infant is substantially too large.

On the flip side, if her fundal size is also low it could mean restricted growth, i m sorry is when the baby isn"t huge enough. While no all little babies experience from minimal growth, it"s precious checking in v your maternal health practitioner if you room concerned.

See more: Why Would Wearing Several Layers Of Clothing Keep You Warmer Than Wearing One Heavy Coat?

Doctors caution, though, the the fundal length isn"t a perfect measurement, and variables favor weight or transporting multiples babies can change your number significantly.