Fetal development
Bone marrow is making more blood cells, and the fetus continues adding weight.
Third trimester
A practical week 30 guide covering fetal development, symptoms, nutrition, prenatal tests, baby size comparison, and warning signs to discuss with your care team.
Bone marrow is making more blood cells, and the fetus continues adding weight.
Around week 30, baby is roughly comparable to a coconut. Estimated size: about 16.7 inches and 67 ounces, with natural variation.
This week-by-week pregnancy content is educational and does not replace care from a qualified healthcare professional.