Week 17
Baby: Your baby, now about in its 15th week of development, measures about 4.4 to 4.8 inches from crown to rump and has doubled in weight in the last two weeks to about 3.5 ounces. Fat begins to form, helping your baby's heat production and metabolism. The lungs are beginning to exhale amniotic fluid, and the circulatory and urinary systems are working. Hair on head, eyebrows and eyelashes is filling in.
Mom-to-be: You're showing more now, with an obvious swelling in your lower abdomen. A five- to 10-pound weight gain is typical by now. You also may be noticing an increase in appetite.
Tip of the Week: Change positions slowly, especially when you move from a lying down position to sitting or from a sitting position to standing to avoid feeling dizzy or faint. If you feel lightheaded, sit down and lower your head, or lie down for a moment.
Week 18
Baby: Your baby measures 5 to 5.6 inches from crown to rump and weighs about 5.25 ounces. The rapid growth spurt is tapering off, but reflexes are kicking in. It can yawn, stretch and make facial expressions, even frown. Taste buds are beginning to develop and can distinguish sweet from bitter tastes. The baby will suck if its lips are stroked and it can swallow, and even get the hiccups. The retinas have become sensitive to light, so if a bright light is shined on your abdomen, baby will probably move to shield its eyes.
Mom-to-be: Your uterus, about the size of a cantaloupe, can probably be felt just below your navel. You're most likely feeling the baby move by now. A mid-pregnancy ultrasound may be performed between now and 22 weeks to assess fetal growth and development and to verify the due date. If the baby is in the right position, the ultrasound may even be able to determine whether it's a boy or a girl. Your heart has to work 40 percent to 50 percent harder now to support your pregnancy.
Tip for the Week: Suggest that your partner go with you for the ultrasound. It's a chance to catch the first glimpse of your baby together, as well as provide a snapshot to show friends and family later. Sonograms still don't guarantee a healthy baby, but they can provide reassurance and spot some problems.
Week 19
Baby: Your baby measures about 5.2 to 6 inches from crown to rump and weighs about 7 ounces. Skin is developing and transparent, appearing red because blood vessels are visible through it. Creamy white protective coating, called vernix, begins to develop.
Mom-to-be: As your baby continues to grow, you may be feeling some mid-pregnancy aches and pains by now -- lower abdominal achiness, dizziness, heartburn, constipation, leg cramps, mild swelling of ankles and feet, and a backache. Dilated blood vessels might cause tiny, temporary red marks (called spider nevi) on your face, shoulders and arms.
Tip of the Week: Take care not to get overtired since rapid growth of the baby can compound the burden on your heart, lungs and kidneys.
Week 20
Baby: The fetus measures about 5.6 to 6.4 inches from crown to rump and weighs about 9 ounces. Your baby can hear sounds by now -- your voice, heart and your stomach growling, as well as sounds outside your body. It will cover its ears with its hands if a loud sound is made near you, and it may even become startled and "jump." The baby is moving often, too -- twisting, turning, wiggling, punching and kicking.
Mom-to-be: Congratulations! You're at about the midpoint of your pregnancy. Your uterus is just about even with your navel. Your waistline has pretty much disappeared, but only temporarily! The risk of bladder infections increases because the smooth muscles in the urinary tract relax. Your breathing will become deeper and you may perspire more than usual from a more active thyroid gland.
Tip of the Week: To alleviate backaches, maintain good posture. Sit with a footstool or use an ergonomic chair at the office, avoid standing for too long, sleep with a small pillow under your side at the waist, and lift things with your legs instead of your back.
What's Happening Inside You?
Hair is beginning to grow on your baby's head and lanugo, a soft fine hair, covers his or her shoulders, back, and temples. This hair protects your baby and is usually shed at the end of the baby's first week of life.
Your baby's skin is covered with a whitish coating called vernix caseosa. This "cheesy" substance, thought to protect baby's skin from long exposure to the amniotic fluid, is shed just before birth.
You may begin to feel your baby move, since he or she is developing muscles and exercising them. This first movement is called quickening.
By the end of the fifth month, your baby is about 10 inches long and weighs from 1/2 to 1 pound.
Week 21
Baby: Your baby measures about 7.2 inches from crown to rump and weighs about 10.5 ounces. The fetus is steadily gaining fat to keep warm. Growth rate is slowing down but organ systems, like digestion, are continuing to mature. A waxy film, called the vernix caseosa, is being produced by your baby's oil glands and covers the skin to keep it supple in the amniotic fluid. Buds for permanent teeth are beginning to form.
Mom-to-be: Friends, relatives, even strangers can probably tell you're pregnant by now. Your uterus is starting to extend above your navel. You've probably gained between 10 and 14 pounds by now.
Tip for the Week: Start looking into childbirth classes if you haven't already.
Week 22
Baby: Your baby measures about 7.6 inches and weighs about 12.3 ounces. The muscles are getting stronger every week now, and the eyelids and eyebrows are developed. Your baby's acrobatics are pretty constant, and since he responds to sound, rhythm and melody, you can try singing and talking to him. After he's born, the same sounds will soothe him.
Mom-to-be: Your uterus is continuing to grow, but you're probably feeling pretty good -- no more morning sickness, and your abdomen isn't so large that it's getting in the way very much. You may still be getting leg and foot cramps, as well as mild swelling of ankles and feet.
Tip for the Week: To reduce cramping, increase your intake of calcium and potassium. Have a glass of milk before bedtime or snack on potassium-rich foods, such as grapefruits, oranges and bananas. If you do get a leg cramp, try forcing your toes back toward your face and pushing down on the knee to straighten your leg.
Week 23
Baby: Your baby is about 8 inches from crown to rump and weighs almost 1 pound. The body is becoming proportioned more like a newborn, but skin is still wrinkled because your baby still has more weight to gain. Lanugo hair on the body sometimes turns darker.
Mom-to-be: Your round belly is definitely noticeable by now. Weight gain will be about 12 to 15 pounds. Vaginal secretions that are typically clear-to-yellowish with a faint smell increase during pregnancy. Check with your practitioner if the color or odor changes significantly since it could signal an infection. You may still have aches in the small of your back. Lying down, massages and applying a heating pad or hot water bottle to the area can help.
Tip of the Week: As your skin continues to stretch, it may become dry and itchy. Keeping it moist with lotions or cream can help reduce these symptoms.
Week 24
Baby: Your baby, now about in its 22nd week of development, is 8.4 inches from crown to rump and weighs about 1.2 pounds. It is starting to produce white blood cells, mostly for combating disease and infection, and may respond to your touch or sounds. If you haven't felt hiccups yet, you might feel some jerking motion now.
Mom-to-be: Your uterus is about 1.5 to 2 inches above your navel. Expect to gain about a pound per week this month. Glucose screens for detecting gestational diabetes are given between this week and 28 weeks.
Tip of the Week: Dad-to-be might be able to hear the baby's heartbeat by putting his ear to your abdomen.
Week 25
Baby: Your developing baby now measures about 8.8 inches from crown to rump and weighs 1.5 pounds. Skin now becomes opaque instead of transparent. Its body is still covered with folds like a puppy dog that need to grow into its skin. Heartbeat can be heard through a stethoscope or, depending on the position of the baby, by others putting an ear against your belly.
Mom-to-be: Besides your uterus growing upward, it may be getting bigger on the sides of your abdomen. You may be experiencing hemorrhoids, which are dilated blood vessels in the rectal area caused by increased blood flow, constipation, indigestion and heartburn.
Tip of the Week: To soothe hemorrhoids, apply an ice pack or witch hazel, or try a sitz bath (soaking your bottom in shallow warm water) or over-the-counter suppositories and/or medicated wipes such as Tucks. Don't take laxatives or mineral oil.
What's Happening Inside You?
By the end of the sixth month, your baby is about 12 inches long and weighs about 2 pounds. His or her skin is reddish in color, wrinkled, and veins are visible through the baby's translucent skin. Baby's finger and toe prints are visible. The eyelids begin to part and the eyes open.
Your baby may respond to sounds by moving or increasing the pulse, and you may notice jerking motions if baby hiccups.
If born prematurely, your baby may survive after the 23rd week with intensive care.
Reviewed by The Cleveland Clinic Birthing Services and the Department of Obstetrics and Gynecology.
Baby: Your baby, now about in its 15th week of development, measures about 4.4 to 4.8 inches from crown to rump and has doubled in weight in the last two weeks to about 3.5 ounces. Fat begins to form, helping your baby's heat production and metabolism. The lungs are beginning to exhale amniotic fluid, and the circulatory and urinary systems are working. Hair on head, eyebrows and eyelashes is filling in.
Mom-to-be: You're showing more now, with an obvious swelling in your lower abdomen. A five- to 10-pound weight gain is typical by now. You also may be noticing an increase in appetite.
Tip of the Week: Change positions slowly, especially when you move from a lying down position to sitting or from a sitting position to standing to avoid feeling dizzy or faint. If you feel lightheaded, sit down and lower your head, or lie down for a moment.
Week 18
Baby: Your baby measures 5 to 5.6 inches from crown to rump and weighs about 5.25 ounces. The rapid growth spurt is tapering off, but reflexes are kicking in. It can yawn, stretch and make facial expressions, even frown. Taste buds are beginning to develop and can distinguish sweet from bitter tastes. The baby will suck if its lips are stroked and it can swallow, and even get the hiccups. The retinas have become sensitive to light, so if a bright light is shined on your abdomen, baby will probably move to shield its eyes.
Mom-to-be: Your uterus, about the size of a cantaloupe, can probably be felt just below your navel. You're most likely feeling the baby move by now. A mid-pregnancy ultrasound may be performed between now and 22 weeks to assess fetal growth and development and to verify the due date. If the baby is in the right position, the ultrasound may even be able to determine whether it's a boy or a girl. Your heart has to work 40 percent to 50 percent harder now to support your pregnancy.
Tip for the Week: Suggest that your partner go with you for the ultrasound. It's a chance to catch the first glimpse of your baby together, as well as provide a snapshot to show friends and family later. Sonograms still don't guarantee a healthy baby, but they can provide reassurance and spot some problems.
Week 19
Baby: Your baby measures about 5.2 to 6 inches from crown to rump and weighs about 7 ounces. Skin is developing and transparent, appearing red because blood vessels are visible through it. Creamy white protective coating, called vernix, begins to develop.
Mom-to-be: As your baby continues to grow, you may be feeling some mid-pregnancy aches and pains by now -- lower abdominal achiness, dizziness, heartburn, constipation, leg cramps, mild swelling of ankles and feet, and a backache. Dilated blood vessels might cause tiny, temporary red marks (called spider nevi) on your face, shoulders and arms.
Tip of the Week: Take care not to get overtired since rapid growth of the baby can compound the burden on your heart, lungs and kidneys.
Week 20
Baby: The fetus measures about 5.6 to 6.4 inches from crown to rump and weighs about 9 ounces. Your baby can hear sounds by now -- your voice, heart and your stomach growling, as well as sounds outside your body. It will cover its ears with its hands if a loud sound is made near you, and it may even become startled and "jump." The baby is moving often, too -- twisting, turning, wiggling, punching and kicking.
Mom-to-be: Congratulations! You're at about the midpoint of your pregnancy. Your uterus is just about even with your navel. Your waistline has pretty much disappeared, but only temporarily! The risk of bladder infections increases because the smooth muscles in the urinary tract relax. Your breathing will become deeper and you may perspire more than usual from a more active thyroid gland.
Tip of the Week: To alleviate backaches, maintain good posture. Sit with a footstool or use an ergonomic chair at the office, avoid standing for too long, sleep with a small pillow under your side at the waist, and lift things with your legs instead of your back.
What's Happening Inside You?Hair is beginning to grow on your baby's head and lanugo, a soft fine hair, covers his or her shoulders, back, and temples. This hair protects your baby and is usually shed at the end of the baby's first week of life.
Your baby's skin is covered with a whitish coating called vernix caseosa. This "cheesy" substance, thought to protect baby's skin from long exposure to the amniotic fluid, is shed just before birth.
You may begin to feel your baby move, since he or she is developing muscles and exercising them. This first movement is called quickening.
By the end of the fifth month, your baby is about 10 inches long and weighs from 1/2 to 1 pound.
Week 21
Baby: Your baby measures about 7.2 inches from crown to rump and weighs about 10.5 ounces. The fetus is steadily gaining fat to keep warm. Growth rate is slowing down but organ systems, like digestion, are continuing to mature. A waxy film, called the vernix caseosa, is being produced by your baby's oil glands and covers the skin to keep it supple in the amniotic fluid. Buds for permanent teeth are beginning to form.
Mom-to-be: Friends, relatives, even strangers can probably tell you're pregnant by now. Your uterus is starting to extend above your navel. You've probably gained between 10 and 14 pounds by now.
Tip for the Week: Start looking into childbirth classes if you haven't already.
Week 22
Baby: Your baby measures about 7.6 inches and weighs about 12.3 ounces. The muscles are getting stronger every week now, and the eyelids and eyebrows are developed. Your baby's acrobatics are pretty constant, and since he responds to sound, rhythm and melody, you can try singing and talking to him. After he's born, the same sounds will soothe him.
Mom-to-be: Your uterus is continuing to grow, but you're probably feeling pretty good -- no more morning sickness, and your abdomen isn't so large that it's getting in the way very much. You may still be getting leg and foot cramps, as well as mild swelling of ankles and feet.
Tip for the Week: To reduce cramping, increase your intake of calcium and potassium. Have a glass of milk before bedtime or snack on potassium-rich foods, such as grapefruits, oranges and bananas. If you do get a leg cramp, try forcing your toes back toward your face and pushing down on the knee to straighten your leg.
Week 23
Baby: Your baby is about 8 inches from crown to rump and weighs almost 1 pound. The body is becoming proportioned more like a newborn, but skin is still wrinkled because your baby still has more weight to gain. Lanugo hair on the body sometimes turns darker.
Mom-to-be: Your round belly is definitely noticeable by now. Weight gain will be about 12 to 15 pounds. Vaginal secretions that are typically clear-to-yellowish with a faint smell increase during pregnancy. Check with your practitioner if the color or odor changes significantly since it could signal an infection. You may still have aches in the small of your back. Lying down, massages and applying a heating pad or hot water bottle to the area can help.
Tip of the Week: As your skin continues to stretch, it may become dry and itchy. Keeping it moist with lotions or cream can help reduce these symptoms.
Week 24
Baby: Your baby, now about in its 22nd week of development, is 8.4 inches from crown to rump and weighs about 1.2 pounds. It is starting to produce white blood cells, mostly for combating disease and infection, and may respond to your touch or sounds. If you haven't felt hiccups yet, you might feel some jerking motion now.
Mom-to-be: Your uterus is about 1.5 to 2 inches above your navel. Expect to gain about a pound per week this month. Glucose screens for detecting gestational diabetes are given between this week and 28 weeks.
Tip of the Week: Dad-to-be might be able to hear the baby's heartbeat by putting his ear to your abdomen.
Week 25
Baby: Your developing baby now measures about 8.8 inches from crown to rump and weighs 1.5 pounds. Skin now becomes opaque instead of transparent. Its body is still covered with folds like a puppy dog that need to grow into its skin. Heartbeat can be heard through a stethoscope or, depending on the position of the baby, by others putting an ear against your belly.
Mom-to-be: Besides your uterus growing upward, it may be getting bigger on the sides of your abdomen. You may be experiencing hemorrhoids, which are dilated blood vessels in the rectal area caused by increased blood flow, constipation, indigestion and heartburn.
Tip of the Week: To soothe hemorrhoids, apply an ice pack or witch hazel, or try a sitz bath (soaking your bottom in shallow warm water) or over-the-counter suppositories and/or medicated wipes such as Tucks. Don't take laxatives or mineral oil.
What's Happening Inside You?By the end of the sixth month, your baby is about 12 inches long and weighs about 2 pounds. His or her skin is reddish in color, wrinkled, and veins are visible through the baby's translucent skin. Baby's finger and toe prints are visible. The eyelids begin to part and the eyes open.
Your baby may respond to sounds by moving or increasing the pulse, and you may notice jerking motions if baby hiccups.
If born prematurely, your baby may survive after the 23rd week with intensive care.
Reviewed by The Cleveland Clinic Birthing Services and the Department of Obstetrics and Gynecology.
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