-
Month One
In the one month period, the babies heart begins to beat, its the size of a pinhead, a critical stage for brain and spinal cord development, the neural tube is well-formed and internal organs and circulatory systems begin to form. For the mom morning sickness may start to appear and you may feel tired all the time(https://www.webmd.com/baby/1to3-months). -
Month Two
The baby is about 1/4 inches long, Face, eyes, ears, and limbs take shape, bones begin to form, and the digestive tract begins to develop. The mom will start to have food cravings and mood changes(https://www.webmd.com/baby/1to3-months). -
Month Three
The baby is now 1 inch long, nostrils, mouth, lips, and eyelids form, bud for about 20 baby teeth appear, fingers and toes are almost complete, all organs are present but still immature, the baby is almost fully formed, and reproductive organs are fully developed. The mom's sickness will get worse and the breasts begin to develop milk and get larger(https://www.webmd.com/baby/1to3-months). -
Month Four
The baby is now about 3 inches long, weighs about 1 ounce, can suck its thumbs, swallow, hiccup, and move, facial features become more clear, and the baby can hear you(https://www.motherandbaby.co.uk/pregnancy-and-birth/pregnancy/month-by-month/four-months-pregnant). The mom's nausea lessens. -
Month Five
At month five the baby is about 7 inches long, hair, eyelashes, and eyebrows appear, teeth continue to develop, organs are maturing, they become more active, you can tell if its a boy or girl(https://www.whattoexpect.com/pregnancy/week-by-week/week-20.aspx). The mom's belly is more visible. -
Month Six
The baby is about 8-10 inches long, fat deposits under the skin but the fetus still appears wrinkled, breathing movements begin, and kidneys are functioning(https://www.acog.org/Patients/FAQs/How-Your-Fetus-Grows-During-Pregnancy?IsMobileSet=false). The mom might have shortness of breath and start producing more milk. -
Month Seven
The baby is about 10-12 inches long, has periods of activity followed by periods of rest and quiet, and the nails start to grow(https://www.acog.org/Patients/FAQs/How-Your-Fetus-Grows-During-Pregnancy?IsMobileSet=false). The mom might start to develop back pain and swollen ankles and feet. -
Month Eight
The baby is now 14-16 inches long, rapid weight gain continues, may react to loud noises with a reflex jerk action, moves into a head-down position, and the brain is developing rapidly(https://www.webmd.com/baby/pregnancy-your-babys-growth-development-months-7-to-9). The mom might start having Braxton Hicks contractions, trouble sleeping, and anxiety. -
Month Nine
The baby is about 17-18 inches long, weight gain continues, skin becomes smooth, movements decrease because of less space, descends into the pelvis and is ready to birth, and lungs are fully developed(https://www.webmd.com/baby/pregnancy-your-babys-growth-development-months-7-to-9). The mom will give birth to the baby this month.
