At left anterior view with months labeled, at right lateral view labeling the last 4 weeks. Check out our Zodiac Center! LEARN WHILE PLAYING 9 Months is a fun and educative way to understand more about pregnancy. Most people think of pregnancy as lasting 9 months. At this stage, the baby’s heartbeat can be heard. Even though popular belief says that pregnancies last 9 months, actually it is 10 months. During this third stage of pregnancy, the fetal development takes place. Back pain is a normal, if uncomfortable, part of pregnancy for most women. Eyelashes start to grow, and the reproductive organs start to develop. Donations are tax-deductible to the fullest extent allowable under the law. Conception to 2 Months. Baby Development In The Ninth Month Of Pregnancy. Forty weeks is actually a little more than 9 months. You’re the best! Fatigue and moodiness may diminish during stage 3. During this stage, weight gain may be about 1 pound per week. The mom’s body prepares itself for labor. During the nine stages of pregnancy, a mom should eat healthy, do not smoke or drink alcohol, and visit her doctor for regular exams. The mom will have more energy and may crave particular foods. … The measurement of the baby is about 5.5-inches long and weight is 6 ounces. The Three Stages of Pregnancy (1 st, 2 nd, and 3 rd Trimester) Conception to about the 12th week of pregnancy marks the first trimester. The growing fetus places more and more strain on your body when you’re 9 months pregnant. From a single cell to its first words, follow every stage of your baby’s growth while keeping it healthy and happy. The second trimester is weeks 13 to 27, and the third trimester starts about 28 weeks and lasts until birth. Second trimester (weeks 13-27) changes in the mother's body. The creation of life itself. Stage 1 begins when the sperm fertilizes the egg. Common pregnancy symptoms at this time may continue through the end of pregnancy. Throughout his career, he has gained experience in pharmacologic research, clinical nuclear medicine, and most recently radiation health physics. Your baby's facial features continue to develop. And it’s true that you’re pregnant for about 9 months. During pregnancy, a woman goes through many changes including physical and emotional. Enjoy the miracle that is growing inside of you! The eyes have developed enough for pupils to constrict and dilate when exposed to light. The lungs are still under development. Yes! Planned Parenthood delivers vital reproductive health care, sex education, and information to millions of people worldwide. Some fetuses drop down into the lower part of the uterus during this month. By 3 weeks each zygote has developed into a ball of several hundred cells, called a blastocyst, and is burrowing into the uterine lining. Stage 5 is when the baby’s senses are active. You might still be wondering how many weeks nine months pregnant is. As the egg grows, the lungs, heart and spinal cord begin to develop. Women may experience symptoms of increased breast size, morning sickness and increased moodiness during this stage. You’re in your last month of pregnancy, and your baby could arrive at any time. Usually child birth takes place within 36 weeks of fertilization and pregnancy lasts for about 9 months. Your Baby's Development: At 9 Months pregnant, your baby will drop lower into your pelvis as she gets ready to be born. The baby’s body is almost fully formed. Please don't check this box if you are a human. The measurement of the baby is about 18 inches and weight is 5 pounds. The baby’s lungs are fully developed it continues to gain weight. Continued Tips for Your Baby’s Ninth Month: Your 9-month-old is eager to move around. Stage 3 is when the embryo becomes a fetus. At 4 months pregnant, you’ve now entered the second trimester. Understanding and following the monthly stages of pregnancy and development of your baby can be a fascinating experience. There is no simple answer, as the weeks of pregnancy don't fit evenly within nine distinct months. The fetus is considerably fatter, and the skin is no longer wrinkled. Reason is you are about to complete pregnancy term and waiting for baby. At five months, you are in the second trimester of pregnancy. By the end of stage 2, all internal organs are beginning to develop, eyes and ears are beginning to form, and the arms, finger buds, legs, and toes buds are developing. The lungs are continuing to develop, bones and muscles are becoming stronger. Some fetuses drop down into the lower part of the uterus during this month. The measurement of the baby is about 21 inches and weight is between 6 and 8 pounds. Women will begin to notice the abdomen expanding to allow for growth of the baby. The baby also becomes aware of sounds. 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