yī / shēng / shuō / tāi / máo / tōng / cháng / huì / zài / chū / shēng / hòu / bù / jiǔ / zì / rán / tuō / luò医生说胎毛通常会在出生后不久自然脱落。The doctor said that lanugo usually falls out naturally soon after birth.