Men and women can be identified. External genitalia has been developed by B-type ultrasonic machine inspection identifiable men and women. At this time of the eyebrows and facial grow Wenjiemao start, although still Bizhao eyes, but has been able retinal photoreceptor.
Fetal small ears have been able to hear the voices outside the uterus, Stethoscope when the great voices heard, will be surprised. Note hearing began work on the voice stimulate a reaction. Sebaceous gland secretion began fetal fetal fat, thin transparent skin, the skin can be seen under the vascular network. Fetal gradually grow up, and about 16 cm in length and weighing about 135 grams, spine have been formed, energy is also growing, and the mother is pregnant, has enabled the initial movements. Fetal cells in the brain began to increase cerebral cortex structure has gradually stereotypes.
No. 5 months
Hair initiation. Fetal head sprouted hair, face and body grow slim Taimao, teeth began ossification, all teeth after birth for the growth of the conditions. Physical development has emerged at birth patterns, liver, kidney and digestive system have begun to work, a small amount of bile in the intestines, heart development and constantly improve and more forceful heartbeat, and can be used in ordinary stethoscope to hear fetal heart tone maternal abdomen. Fetal mouth, the tongue bitter, sweet stimulate a response, this time to suck fingers, his demeanor seems to be in the fingers taste the flavor. At that moment, the fetus is about 25 cm in length and weighing about 340 grams.
No. 6 months
Breathing. Fetal breathing movements can do chest, but is not yet Stethoscope mature enough of the respiratory system, if born at this time, it is difficult to survive. Less subcutaneous fat, the skin was wrinkled with, and build thin, upper and lower extremity muscles of good, common hand out indented hand grasp, kicked uterine wall, if the mother hand to touch photographed, and their abdominal pressure, fetal there will be movements reaction. At the beginning of the sense of smell, brain and memory function beginning to emerge, are familiar with the mother repeatedly heard heartbeat sound. At that moment, the fetus is about 30 cm in length and weighing about 600 grams.
Fetal small ears have been able to hear the voices outside the uterus, Stethoscope when the great voices heard, will be surprised. Note hearing began work on the voice stimulate a reaction. Sebaceous gland secretion began fetal fetal fat, thin transparent skin, the skin can be seen under the vascular network. Fetal gradually grow up, and about 16 cm in length and weighing about 135 grams, spine have been formed, energy is also growing, and the mother is pregnant, has enabled the initial movements. Fetal cells in the brain began to increase cerebral cortex structure has gradually stereotypes.
No. 5 months
Hair initiation. Fetal head sprouted hair, face and body grow slim Taimao, teeth began ossification, all teeth after birth for the growth of the conditions. Physical development has emerged at birth patterns, liver, kidney and digestive system have begun to work, a small amount of bile in the intestines, heart development and constantly improve and more forceful heartbeat, and can be used in ordinary stethoscope to hear fetal heart tone maternal abdomen. Fetal mouth, the tongue bitter, sweet stimulate a response, this time to suck fingers, his demeanor seems to be in the fingers taste the flavor. At that moment, the fetus is about 25 cm in length and weighing about 340 grams.
No. 6 months
Breathing. Fetal breathing movements can do chest, but is not yet Stethoscope mature enough of the respiratory system, if born at this time, it is difficult to survive. Less subcutaneous fat, the skin was wrinkled with, and build thin, upper and lower extremity muscles of good, common hand out indented hand grasp, kicked uterine wall, if the mother hand to touch photographed, and their abdominal pressure, fetal there will be movements reaction. At the beginning of the sense of smell, brain and memory function beginning to emerge, are familiar with the mother repeatedly heard heartbeat sound. At that moment, the fetus is about 30 cm in length and weighing about 600 grams.