孕期b超指标对照表及说明（B Ultrasound index table and description of pregnancy）.docVIP

下载本文档

9
0
约1.05万字
约 9页
2017-09-05 发布于河南
举报
版权申诉

孕期b超指标对照表及说明（B Ultrasound index table and description of pregnancy）.doc

1、有哪些信誉好的足球投注网站（book118）网站文档一经付费（服务费），不意味着购买了该文档的版权，仅供个人/单位学习、研究之用，不得用于商业用途，未经授权，严禁复制、发行、汇编、翻译或者网络传播等，侵权必究。。
2、本站所有内容均由合作方或网友上传，本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺！文档内容仅供研究参考，付费前请自行鉴别。如您付费，意味着您自己接受本站规则且自行承担风险，本站不退款、不进行额外附加服务；查看《如何避免下载的几个坑》。如果您已付费下载过本站文档，您可以点击这里二次下载。
3、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等，请点击“版权申诉”（推荐），也可以打举报电话：400-050-0827(电话支持时间：9:00-18:30)。
4、该文档为VIP文档，如果想要下载，成为VIP会员后，下载免费。
5、成为VIP后，下载本文档将扣除1次下载权益。下载后，不支持退款、换文档。如有疑问请联系我们。
6、成为VIP后，您将拥有八大权益，权益包括：VIP文档下载权益、阅读免打扰、文档格式转换、高级专利检索、专属身份标志、高级客服、多端互通、版权登记。
7、VIP文档为合作方或网友上传，每下载1次，网站将根据用户上传文档的质量评分、类型等，对文档贡献者给予高额补贴、流量扶持。如果你也想贡献VIP文档。上传文档

孕期b超指标对照表及说明（B Ultrasound index table and description of pregnancy）

孕期b超指标对照表及说明（B Ultrasound index table and description of pregnancy） Contrast table and explanation of B ultrasonic index during pregnancy Reference material： To determine the size of fetal development during pregnancy by ultrasound method is more valuable in pregnant women, do B when will see some numerical examination reports, these values is to tell the size of your babys development. Fetal development during early pregnancy and B-mode ultrasonography Pregnancy is a complex process in which the egg enters the uterus after fertilization, and the embryo and appendages grow rapidly and mature until each week of gestation varies. What does your baby look like in the early weeks of pregnancy? The following article will tell you in detail. 4 weeks: the fetus is only 0.2 centimeters. When the fertilized egg has just completed its implantation, the amniotic cavity is formed and the volume is small. Ultrasound also fails to see signs of pregnancy. 5 weeks: the fetus grows to 0.4 centimeters, enters the embryonic phase, the amnion cavity expands, primitive cardiovascular appearance, may have the pulsation. B ultrasound can see small fetal sac, fetal sac about 1/4 of the uterine cavity, or fetal bud. 6 weeks: fetal length to 0.85 cm, fetal head, brain foam, frontal organs, respiratory, digestive, nervous and other organ differentiation, B-mode ultrasound sac clearly visible, and fetal bud and fetal heart beat. 7 weeks: the fetus is 1.33 cm long, the embryo has a human embryo, the body has been fully differentiated, limb separation, the system further development. B ultrasound clearly shows the fetal bud and fetal heart beat, and the fetal sac is about L / 3 of the uterine cavity. 8 weeks: the fetus is 1.66 centimeters long and the shape of the fetus has been fixed. The fetal head, body and limbs can be separated. The head of the fetus is larger than the trunk. Ultrasound visible gestational sac accounted for about 1 / 2 intrauterine fetal morphology and movement, clearly vis