Looking for a week-by-week guide to pregnancy? You're in luck! Nosotros've got loads of skillful-approved info about each calendar week and trimester, including what'southward up with your growing baby and what changes to expect for yourself.
You'll find stunning fetal development videos, thousands of manufactures, and helpful tools like our Due Appointment Calculator and Baby Names Finder. See other parents-to-exist in our online customs, and get all of this and more in our free pregnancy app. Swoop in, and congratulations!
First Trimester
After fertilization and implantation, a baby is at first just an embryo: two layers of cells from which all the organs and body parts will develop. Growing quickly, your baby is soon virtually the size of a kidney bean and constantly moving. The heart is beating rapidly and the intestines are forming. Your budding son or daughter's earlobes, eyelids, rima oris, and nose are also taking shape.
It'southward a potentially life-irresolute week. You'll ovulate, and if egg meets sperm, y'all'll be on your mode to pregnancy!
Your baby is a tiny brawl – called a blastocyst – fabricated upward of several hundred cells that are multiplying quickly.
Deep in your uterus, your baby is an embryo made upward of 2 layers, and your primitive placenta is developing.
Your tiny embryo is growing like crazy, and you may be noticing pregnancy discomforts like sore breasts and fatigue.
Your baby's nose, oral cavity, and ears are beginning to take shape. You may exist having morning sickness and spotting.
Your baby – still an embryo with a modest tail – is forming hands and anxiety. Your uterus has doubled in size.
Your baby is constantly moving, though you lot can't feel it. Meanwhile, you may be making decisions nigh prenatal tests.
Nearly an inch long now, your baby is starting to look more human being. You've probably noticed your waist thickening.
Your baby has finished the well-nigh critical part of development! Organs and structures are in place and ready to grow.
Your baby'due south hands will soon open and close into fists, and tiny tooth buds are appearing underneath the gums.
Your little i's teeny toes can curl, her brain is growing furiously, and her kidneys are starting to excrete urine.
It's the terminal week of the first trimester! Your baby now has exquisite fingerprints and is nearly 3 inches long.
advertisement | page continues beneath
Second Trimester
At the offset of the second trimester, babies are virtually 3 1/2 inches long and weigh about one 1/2 ounces. Tiny, unique fingerprints are at present in place, and the heart pumps 25 quarts of claret a day. Equally the weeks go by, your baby'southward skeleton starts to harden from rubbery cartilage to bone, and he or she develops the ability to hear. You're likely to experience kicks and flutters presently if you haven't already.
Your infant's tiny features are making unlike expressions. And you may exist feeling more energetic and less nauseated.
Your baby can sense light and is forming taste buds. Have a stuffy nose? It's a surprising pregnancy side outcome.
Get ready for a growth spurt. In the next few weeks, your baby will double his weight and add inches to his length.
Your baby's skeleton is changing from soft cartilage to os, and the umbilical string is growing stronger and thicker.
Your baby'southward genitals are adult enough to see on an ultrasound. Hungry? An increase in appetite is normal now.
Go ahead and sing: Your baby may exist able to hear you lot! And if your sides are agonized, it could be round ligament pain.
Congratulations, you're at the halfway marking in your pregnancy! Your baby is swallowing more now and producing meconium.
Feeling your infant motility? Those early flutters will turn into full-fledged kicks. Absurd fact: She has eyebrows now!
Your babe is starting to await like a miniature newborn. And your growing belly may exist turning into a paw-magnet.
When you're on the motion, your baby tin can feel the move. Pretty soon, you may discover swelling in your ankles and anxiety.
Your baby is long and lean, like an ear of corn. And your growing uterus is now the size of a soccer ball.
Your piffling one is starting to add some babe fat and grow more hair. Your hair may be looking extra lustrous, as well.
Your baby is inhaling and exhaling small amounts of amniotic fluid, which is good practice for breathing.
Feel a tickle? It may be your infant hiccupping. He's also opening and closing his eyes and fifty-fifty sucking his fingers.
Third Trimester
Babies counterbalance most 2 1/four pounds past the offset of the third trimester. They tin can blink their optics, which now sport lashes. And their wrinkled skin is starting to smooth out every bit they put on baby fatty. They're too developing fingernails, toenails, and existent hair (or at to the lowest degree some peach fuzz), and adding billions of neurons to their brain. Your blossoming baby will spend his or her last weeks in utero putting on weight. At full term, the average baby is more than xix inches long and weighs nearly seven pounds.
Welcome to your concluding trimester! Your developing baby's eyes may be able to run across calorie-free filtering in through your womb.
Your babe's muscles and lungs are continuing to mature, and her head is growing to make room for her developing brain.
Your baby at present weighs nigh 3 pounds. Meanwhile, y'all may be battling mood swings, clumsiness, and fatigue.
Your baby's strong kicks might be keeping you up at dark – and you may exist feeling Braxton Hicks contractions, also.
Your baby is plumping upwards! Meanwhile, your expanding uterus may cause heartburn and shortness of breath.
With your baby at present weighing a little over 4 pounds, you might exist waddling – and having trouble getting comfy in bed.
Your babe'southward fundamental nervous arrangement and lungs are maturing, and dizziness and fatigue may be slowing y'all down.
Your baby is too snug in your womb to do somersaults, but y'all'll notwithstanding feel frequent – if less dramatic – movements.
Your baby is gaining about an ounce a day. Y'all may feel her "drop" downward into your pelvis equally you approach your due appointment.
Your infant'southward encephalon and lungs are standing to mature. Yous may have more than vaginal discharge and occasional contractions.
Your baby has a firm grasp, which yous'll soon be able to test in person! Meanwhile, watch out for signs of preeclampsia.
Your baby is full term this week and waiting to greet the world! If your water breaks, call your healthcare provider.
Your baby is the size of a minor pumpkin! Don't worry if you're still pregnant – it's common to get past your due date.
Every bit cozy every bit he is, your baby can't stay inside you much longer. You'll go into labor or exist induced soon.
How Often Should I Feel Baby Move at 27 Weeks
Source: https://www.babycenter.com/pregnancy/week-by-week