How Big Is Your Baby? First Trimester
Your Baby's Size Week by Week
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3 Weeks Pregnant - Grain of Salt
Size: 0.01 inches (0.25 mm)** |
Weight: Still too small to weigh
Sperm met egg and new life has been created! [more] |
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4 Weeks Pregnant - Poppy Seed
Size: 0.04 inches (1 mm) |
Weight: Still too small to weigh
In the second week of embryonic development, the hundreds of cells forming your baby-to-be have multiplied... [more] |
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5 Weeks Pregnant - Seseame Seed
Size: 0.13 inches (3.3 mm) |
Weight: less than 1 gram
Your tiny baby doesn't look much like a baby yet, but is developing at a very rapid pace... [more] |
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6 Weeks Pregnant - Lentil
Size: 0.25 inches (6.3 mm) |
Weight: less than 1 gram
Baby's ears, nose, and mouth are starting to take shape on an oversized head... [more] |
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7 Weeks Pregnant - Blueberry
Size: 0.5 inches (1.3 cm) |
Weight: less than 1 gram
We can start to see eye coloring, eye lids, and a bit of the tip of the nose... [more] |
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8 Weeks Pregnant - Raspberry
Size: 0.63 inches (1.6 cm) |
Weight: 0.04 ounce (1 gram)
Tiny hands and feet have developed from the arm and leg buds... [more] |
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9 Weeks Pregnant - Green Grape
Size: 0.9 inches (2.3 cm) |
Weight: 0.07 ounce (2 grams)
Development continues as the baby's organs are finalizing development in preparation... [more] |
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10 Weeks Pregnant - Kumquat
Size: 1.22 inches (3.1 cm) |
Weight: 0.14 ounce (4 grams)
Your baby can now swim through amniotic fluid and will begin to take practice breaths... [more] |
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11 Weeks Pregnant - Lime
Size: 1.61 inches (4.1 cm) |
Weight: 0.25 ounce (7 grams)
Tiny fingernails are now developing on tiny fingers and will continue to slowly grow... [more] |
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12 Weeks Pregnant - Plum
Size: 2.13 inches (5.4 cm) |
Weight: 0.49 ounce (14 grams)
Activity is the word this week as baby starts to move arms and legs... [more] |
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13 Weeks Pregnant - Peach
Size: 2.91 inches (7.4 cm) |
Weight: 0.81 ounce (23 grams)
Baby's fingers and toes are clearly separated and her eyes are... [more] |
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*** Weeks 21 to 40 - Baby's size measurements are from crown to heel.
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