The embryo is 3.1 cm to 4.1 cm in The fetus is 28 cm to 36 cm in length and has a mass of 4 g to 7 g. length and has a mass of 680 g. Nipples and hair follicles form. The skin appears wrinkled. Elbows and toes are visible. All A waxy or cheese-like essential organs have begun to substance that coats the skin form. The eyelids are more developed. (vernix caseosa) begins to External features of the ear begin to develop. take their final shape. Eyebrows and fingernails Facial features continue to develop. develop. The intestines rotate. The fetus is 35 cm to 38 cm The fetus is 38 cm to 43 in length and has a mass of cm in length and has a 1200 g. mass of 1500 to 2500 g. The skin has a distinct The fetus is viable and pink/red The could now survive on its membrane on the eyes own. begins to disappear. The fingerprints are The fetus has an excellent formed. chance of survival on its own. Vigorous fetal movements The eyes can open and close. occur. The fetus is 42 cm to 49 cm in The fetus is 48 cm to 53 length and has a mass of 1900 cm in length and has a g to 2700 g. mass of 3000 g. Face and body have a loose The skin is smooth. wrinkled appearance, because The eyes are uniformly of subcutaneous fat deposits. slate (bluish) colored. The very soft, fine hair Bones of skull are ossified covering the body (lanugo) disappears. and nearly together at the The amniotic begins to sutures. decrease.
The embryo is 3.1 cm to 4.1 cm in length and has a mass of 4 g to 7 g. Nipples and hair follicles form. Elbows and toes are visible. All essential organs have begun to form. The eyelids are more developed. External features of the ear begin to take their final shape. Facial features continue to develop. The intestines rotate. The fetus is 28 cm to 36 cm in length and has a mass of 680 g. The skin appears wrinkled. A waxy or cheese-like substance that coats the skin (vernix caseosa) begins to develop. Eyebrows and fingernails develop. The fetus is 35 cm to 38 cm in length and has a mass of 1200 g. The skin has a distinct pink/red The membrane on the eyes begins to disappear. The fetus has an excellent chance of survival on its own. The eyes can open and close. The fetus is 38 cm to 43 cm in length and has a mass of 1500 to 2500 g. The fetus is viable and could now survive on its own. The fingerprints are formed. Vigorous fetal movements occur. The fetus is 42 cm to 49 cm in length and has a mass of 1900 g to 2700 g. Face and body have a loose wrinkled appearance, because of subcutaneous fat deposits. The very soft, fine hair covering the body (lanugo) disappears. The amniotic begins to decrease. The fetus is 48 cm to 53 cm in length and has a mass of 3000 g. The skin is smooth. The eyes are uniformly slate (bluish) colored. Bones of skull are ossified and nearly together at the sutures.
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