A lot of people are not very clear placenta 3 class are what meaning after all, above all placenta is when baby is born, a film of the wrap up on the body, this film is nutrition is absorbed between the uterus, give child body compensatory nutrition, this filmy nutrition value is very so high, also draw the essence in the mother’s body at the same time, 3 class show placenta to mature already completely, this momentFall in love with the sea to be talked with the cityShanghai noble baby Altar Month has exceeded expected date of childbirth, it is the supply that cannot continue to use placenta again of nutrition.
Placenta is what meaning 3 degrees
Placental tierce maturity is to show placenta had matured, exceed expected date of childbirth is to need seasonable Caesarean birth had better, placenta matured to cannot give fetal those who provide nourishment.
Placental meeting as pregnancy undertake and mature gradually, maturity can drop to the function when certain level, resemble ageing same, cannot supply nutrition and oxygen to fetal and normal ground, and placental maturity classifications even if use a level that measures placental and mature level, normally cent is 4 level, be as follows respectively:
Placental maturity divides level in all: Placental 0 class: Early, medium pregnancy is placental, crudely.
Placental 1 class: For mature inchoate expression, appear in pregnant 30 weeks or so, state placenta has not mature, but a few case of illness maintains childbirth. Determine with L/S ratio contrast, placenta has 60% to control ratio to be able to be amounted to in 1 class 2.
Placental 2 class: Doubtful and mature, still 10% control <2.0 of ratio of amniotic fluid L/S, mature is gravid in 55%-60% is 2 class placenta, before gravid plan labors, Gao Wei is like amount to 2 class, fetal surviving opportunity is very great.
Placental 3 class: Maturity is placental, l/S specific value is total ≥ 2.
Everybody is placental and mature the situation is different: Gravid metaphase (12-28 weekLove Shanghai is the same as edition of city mobile phone New love Shanghai is opposite with the city touch forum- – placental 0 class; is gravid and terminal (30-32 week)- – placental after week of 1 class;36- – placentalLove Shanghai is the same as a city 2 class (more mature) . If discover placenta 37 weeks before,the cost that 3 class tie double top way reachs pair of fetal weight estimation to be in placenta of Lv of take an examination of the 2500 person that overcome is early, vigilance produces the likelihood that stunt grows inside fetal palace. 38 weeks of placenta enter 3 stage, mark placenta is mature.
Gravid and terminal, placental function drops as fetal maturity somewhat. Placental ageing, explain placental function is reduced apparently, may affect fetal growth, if fetal development is mature, wa[……]