After 14 weeks, the measurement given is from crown to heel. If you're curious, see our pregnancy timing article to learn how the weeks of pregnancy are counted.
And if you don't know your due date, use our due date calculator to find out. Thanks to Dr. Mark Curran, maternal-fetal medicine specialist, for his help in preparation of this table. BabyCenter's editorial team is committed to providing the most helpful and trustworthy pregnancy and parenting information in the world.
When creating and updating content, we rely on credible sources: respected health organizations, professional groups of doctors and other experts, and published studies in peer-reviewed journals. We believe you should always know the source of the information you're seeing. Learn more about our editorial and medical review policies. Curran MA. Estimation of fetal weight and age. Deter RS et al. Individualized growth assessment: Conceptual framework and practical implementation for the evaluation of fetal and neonatal growth.
Fenton TR. A new growth chart for preterm babies: Babson and Benda's chart updated with recent data and a new format. BMC Pediatrics. Gardosi J et al. Customized growth charts: rationale, validation and clinical benefits. Hadlock FP et al. Estimating fetal age: Computer-assisted analysis of multiple fetal growth parameters.
Fetal crown rump length: Reevaluation of relation to menstrual age weeks with high resolution real-time. See all in Community. See all in Getting Pregnant. See all in Pregnancy. See all in Preschooler. See all in Life as a Parent. See all in Video.
You might also like You might also like. Poppy seed to pumpkin: how big is your baby? Is it normal to look more pregnant than I really am? What supplements do I need to take in pregnancy? Your baby's movements in pregnancy. What's not safe to eat in pregnancy? How can I tell if my baby is in a head-down position? What are the main stages of labour? Get the BabyCentre app. So what's keeping your little one busy while waiting it out until delivery day? Practice, practice, practice.
Right now, your tiny superstar is rehearsing for his big debut, simulating breathing by inhaling and exhaling amniotic fluid, sucking his thumb, blinking and pivoting from side to side. One day you feel his bottom on the left side, the next it's flipped around to the right! Here's an interesting fact: At birth, your baby's head — which, by the way, is still growing — will be roughly the same circumference as his chest.
And guess what's making a quite-literal impression these days on those shoulders and hips? Fat — causing little dimples in those cute elbows, knees and shoulders, along with creases and folds in the neck and wrists.
It's anyone's guess when your baby will decide to make his appearance — will he be sociably early, fashionably late or right on time? Just what is your doctor looking for?
First, for dilation, or how far your cervix has opened. Specifically, your cervix needs to open to 10 centimeters for the baby to pass through into the birth canal. Your health care provider is also looking cervical ripeness — aka the consistency of the cervix.
It starts out being firm like the tip of your nose, then softens to the same texture as the inside of your cheek before labor. Next, your practitioner will check for effacement, or how thin your cervix is; it'll be percent effaced before you push your baby out. The position of your cervix, which moves from the back to the front as labor approaches, will also be assessed. And last but not least, your doctor or midwife will measure the position of the baby in relation to your pelvis.
The lower down your baby is, the closer you are to delivery. Although it all sounds very scientific, it's actually not. These processes can occur gradually, over a period of weeks or even a month or more in some women — or overnight. So while they're clues that you're indeed progressing, they're far from sure bets when it comes to pinpointing the actual start of labor. You can be very dilated and not have your baby for weeks.
Or your cervix can be high and closed during an exam one morning, only to be open and ready for business — and labor — by noon. You already know about the mind-body benefits of massage — but have you heard of perineal massage? Yes, it sounds — and can feel — a little awkward, but perineal massage may help to gently stretch your perineum, the area of skin between your vagina and rectum, which in turn can minimize the "stinging" that occurs when a baby's head crowns during childbirth.
It may also help you avoid an episiotomy and tearing. If you want to give it a shot, it's best not to DIY it the first time. Seek out a pelvic floor therapist, who can show you how to do it right. Word to the wise: Be gentle. Once you know what you're doing, you can keep up the good work — or have your practitioner take over during labor itself.
Make sure to get help with any of the heavy lifting from your partner or a close friend or family member. You may not gain any weight at all during the last month. Feeling more bloated than ever? You can blame the pregnancy hormone progesterone for slowing down your digestion — which then leads to bloating and cramping. One way to beat the bloat: Eat your meals slowly. When you scarf down your lunch in five minutes flat, you swallow more than just food.
You also swallow a lot of air, which will then settle into your stomach as gas bubbles. Looking for a good late-pregnancy workout? Get on the ball! An exercise ball is a safe and effective tool for strengthening your core muscles during pregnancy.
And looking not-too-far ahead, it can also provide welcome relaxation and physical relief during pregnancy and labor. Choose a high-quality ball made from burst-resistant material, and be sure you buy the correct size for your height: 22 inches 55 centimeters for those shorter than 5-foot-3, and 26 inches 65 centimeters for those taller though check the instructions to be sure.
Here are some things you can do if you're on bed rest: Stock a mini-fridge or cooler with lots of water, fruit, yogurt, cheese and sandwiches. Try to establish a routine — even if the highlight is a soak in a tepid tub , then a nap or a morning on the couch, then an afternoon in bed.
Keep your eyes on the prize. Remember: Every day you stay in bed or off your feet is one more day your baby stays inside you, giving him the best chance at being born healthy and strong.
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