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        3. 親子鑒定胎兒采樣方法

          胎兒樣本現在用得最多的兩種是胎兒羊水,和胎兒絨毛,還有一種是無創靜脈血采集的是孕婦的血液詳情可直接點擊《無創親子鑒定
          The two most commonly used fetal samples are fetal amniotic fluid and fetal villi, and the other is non-invasive venous blood. The blood collected from pregnant women can be directly click on "noninvasive paternity test"

          胎兒羊水需要穿刺采樣,名叫:羊膜穿刺術,是傳統的胎兒親子鑒定方式的一種;
          Fetal amniotic fluid needs to be punctured and sampled, called amniocentesis, which is one of the traditional methods of fetal paternity testing;

          什么是羊水穿刺親子鑒定?
          What is amniocentesis paternity test?

          胎兒羊水親子鑒定是孕婦產前做的親子鑒定,是指寶寶還在媽媽肚子里面,通過羊水穿刺的方法抽取羊水進行DNA鑒定,檢測胎兒和懷疑對象(父親)是否存在父子關系。
          Fetal amniotic fluid paternity test is a kind of paternity test done by pregnant women before delivery. It refers to that when the baby is still in the mother's stomach, amniotic fluid is extracted for DNA identification by amniotic fluid puncture, and whether there is father-child relationship between the fetus and the suspected object (father).


          羊水穿刺幾周做比較安全?
          How many weeks is amniotic fluid puncture safe?

          一般需要在17-26周之間,這個時候胎兒比較小,而羊水相對比較充足,寶寶在羊水中,四周有比較寬的樣水帶,穿刺采集羊水的時候,不容易傷到寶寶;
          Generally need between 17-26 weeks, this time the fetus is relatively small, and the amniotic fluid is relatively sufficient, the baby in the amniotic fluid, around the relatively wide sample water belt, puncture collection of amniotic fluid, not easy to hurt the baby;

          胎兒羊水親子鑒定的步驟和手續?
          The steps and procedures of paternity test of fetal amniotic fluid?

          1、在正式采樣前,先照B超,確認胎兒大小以及懷孕周數,胎兒的位置和觀察胎兒數目;
          1. Before the formal sampling, B-ultrasound was used to confirm the size of the fetus, the number of gestational weeks, the position of the fetus and the number of fetuses;

          2、找到合適的穿刺位置;
          2. Find the right puncture position;

          3、為寶媽皮膚進行消毒;
          3. Disinfect the skin of Baoma;

          4、在寶媽肚子上鋪上醫療無菌單子;
          4. Spread medical sterile list on Baoma's stomach;

          5、以20或者是22號穿刺針在超生波的引導下,逐步刺入之前選好的穿刺位置;
          5. Under the guidance of ultrasonic wave, 20 or 22 puncture needle was used to puncture into the selected puncture position;

          6、確認刺針已在羊膜腔內,開始以負壓將羊水抽出;
          6. It was confirmed that the needle was in the amniotic cavity and amniotic fluid was extracted with negative pressure;
           
          7、前面2毫升羊水不能要(怕引起母源細胞污染);
          7. The first 2 ml amniotic fluid can not be (afraid of causing maternal cell pollution);
           
          8、大約抽出15-18毫升的羊水;
          8. Draw about 15-18 ml of amniotic fluid;
           
          9、將穿刺針的內管置回;
          9. The inner tube of the puncture needle was put back;
           
          10、回抽整支穿刺針;
          10. The whole needle was withdrawn;
           
          11、在肚皮的針孔上貼上繃帶請孕婦在羊水檢查室外稍坐休息30分鐘,若無不適就可以回家了。
          11. Put bandage on the pinhole of the belly, ask pregnant women to sit outside the amniotic fluid examination room and have a rest for 30 minutes. If there is no discomfort, they can go home.

          羊水穿刺風險:羊水穿刺主要風險就是流產從國內醫院數據顯示有0.5%-2%的幾率會造成胎兒流產,所以需要留意術后的24小時,不能洗澡,半個月不能有性生活避免!
          Risk of amniocentesis: the main risk of amniocentesis is abortion. According to domestic hospital data, there is a 0.5% - 2% chance of fetal abortion, so you need to pay attention to the 24 hours after surgery, you can't take a bath, and you can't have sexual life for half a month!

          什么是絨毛親子鑒定?
          What is villous paternity testing?

          通過穿刺技術采集胎兒絨毛,從采集絨毛中提取DNA細胞,檢測到胎兒的DNA并與疑似父親DNA樣本對比,得出是否存在父子關系。
          Through the puncture technology to collect fetal villi, DNA cells were extracted from the collected villi, fetal DNA was detected and compared with the suspected father DNA samples to find out whether there is a paternity relationship.
           
          絨毛穿刺親子鑒定幾周做安全?
          How many weeks is villus puncture paternity test safe?

          適合8-14周采集,這個時候胎兒發育周邊形成保護囊,在保護囊上面附著的就是絨毛,這時候絨毛比較多,不容易傷害的胎兒;
          Suitable for 8-14 weeks of collection, at this time, the development of the fetus around the formation of a protective capsule, in the protective sac attached to the villi, at this time more villi, not easy to hurt the fetus;
           

          絨毛采集相關流程
          Fluff collection process

          1、做好相關B超檢測,確認好胎兒周期,以及檢測絨毛的濃密程度;
          1. Do a good job of B-ultrasound detection, confirm the fetal cycle, and detect the density of villi;

          2、找到合適的穿刺位置;
          2. Find the right puncture position;

          3、為寶媽消毒
          3. Disinfect Baoma

          .....基本與羊水穿刺類似,請看以上參考!
          ... basically similar to amniocentesis, please see the above reference!

          絨毛穿刺風險:抽取絨毛做胎兒親子鑒定,不會導致胎兒畸形、智障等,但有可能造成胎兒宮內感染,并且絨毛穿刺有0.5-1%的流產率;
          Risk of chorionic villi puncture: the extraction of chorionic villi for fetal paternity test will not lead to fetal malformation, mental retardation, but may cause intrauterine infection, and the abortion rate of chorionic villi puncture is 0.5-1%;

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