How big is my baby in the first trimester?
Congratulations on your pregnancy! I love a week by week account of how big baby is growing! It’s incredicle to believe somehting so tiny can be developing so much.
Here is our week-by-week guide to how big your baby is in your first trimester.
Week 1: Poppyseed
Your baby is the size of a poppy seed this week. At this early stage, your baby is a tiny ball of cells that is just starting to implant itself in your uterus. It’s hard to believe that something so small will eventually grow into a full-sized baby!
Week 2: Appleseed
By the end of week two, your baby has grown to the size of an apple seed. This may not seem like much, but your baby’s cells are rapidly dividing and forming the foundation for all of their organs and body parts.
Week 3: Blueberry
At three weeks, your baby is about the size of a blueberry. Your baby’s neural tube, which will eventually become their brain and spinal cord, is starting to form. You may not be able to see or feel your baby yet, but they are growing and developing at a rapid pace.
Week 4: Raspberry
Your baby is now the size of a raspberry. Their tiny heart is starting to beat, and their arms and legs are beginning to form. This is an exciting time, as your baby is starting to look more like a miniature human.
Week 5: Strawberry
At five weeks, your baby is the size of a strawberry. Their facial features are starting to form, and their fingers and toes are becoming more defined. You may be experiencing some early pregnancy symptoms, such as nausea and fatigue, as your body adjusts to the changes.
Week 6: Pea
Your baby is now the size of a pea. Their vital organs, such as the liver, kidneys, and lungs, are starting to develop. You may be able to see your baby’s heartbeat on an ultrasound, which can be a magical moment for parents.
Week 7: Blueberry
At seven weeks, your baby is about the size of a blueberry again. Their eyelids are starting to form, and their tiny hands are developing fingers. You may be starting to show a little bit, as your uterus expands to accommodate your growing baby.
Week 8: Raspberry
Your baby is now the size of a raspberry again. Their cartilage is starting to turn into bone, and their brain is becoming more complex. You may be feeling more tired than usual, as your body works hard to support your growing baby.
Week 9: Cherry
At nine weeks, your baby is about the size of a cherry. They are starting to move around, although you won’t be able to feel it yet. Their teeth buds are forming, and their taste buds are starting to develop.
Week 10: Kumquat
Your baby is now the size of a kumquat. They are developing their own unique fingerprints, and their bones are starting to harden. You may be able to hear your baby’s heartbeat with a stethoscope, which can be a special moment for parents.
Week 11: Fig
At 11 weeks, your baby is the size of a fig. They are starting to grow hair on their head, and their digestive system is starting to produce meconium, which will become their first bowel movement. You may be feeling more energetic and less nauseous as you enter the second trimester.
Week 12: Plum
Your baby is now the size of a plum. They are starting to practice breathing, although they won’t take their first breath until after they are born. You may be able to find out your baby’s gender with
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