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Call Us At (210) 858-1101
1st Trimester
From Tiny Cells to a Tiny Baby
1-13 Weeks
The amniotic sac, which is a water tight sac that forms around the fertilized egg, helps cushion the growing embryo throughout the pregnancy.
The placenta also develops during the first trimester. It is a round, flat organ that transfers nutrients from the mother to the growing baby.
By the end of the first month of pregnancy your baby is 6-7 mm (1/4 inch) long which is the size of a grain of rice.
During the second month of pregnancy development continues with the ears, tiny buds that will become arms and legs and the neural tube system (brain, spinal cord, and central nervous system) is well formed.
By the end of the second month your baby is now called a fetus and is about 1 inch long and weighs about 1/3 ounce. The head makes up about 1/3 of the baby.
By the end of the third month of pregnancy, your baby is fully formed. Your baby has arms, hands, fingers, feet, and toes. It can open and close its mouth and fists. The teeth and nails are starting to form. The reproductive organs are beginning to develop although will not be distinguishable on ultrasound for many more weeks. The circulatory and urinary systems are working and the liver is producing bile.
At the end of the third month your baby is about 3-4 inches long and weighs about 1 ounce.
From Our Patients
“Love Love love Dr. Akonye like a second mom to me so comfortable with her. Glad I found her!! Just amazing staff and all!!” – Ana Swain
Call us at (210) 858-1101 or Schedule Your Appointment Online!
Women’s Center at Westover Hills – Main Location:
1315 N. Ellison Drive, San Antonio, TX 78251
P: (210) 858-1101F: (210) 547-3750
Office Hours
Mon-Wed 8:30 am – 5:00 pm
Thurs 7:30 am – 5:00 pm
Fri 7:30 am – 2:00 pm
Women’s Center at Westover Hills – Downtown Location:
(Children’s Hospital of San Antonio – Tenth Floor)
315 N. San Saba, Suite 1068 San Antonio, TX 78207
P: (210) 858-1101F: (210) 547-3750
Office Hours
Mon-Wed 8:30 am – 5:00 pm
Thurs 8:30 am – 5:00 pm
Fri 8:30 am – 2:00 pm
Access Links:
San Antonio’s Westover Hills Obstetrics, Gynecology & Robotic Surgery Practice.
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