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(a) Velamentous cord insertion with rupture of the fetal vein. Clot formation at the site of rupture is clearly seen. (b) Rupture site after removal of the clot (arrow).
www.nature.com/jp/journal/v27/n7/fig_tab/7211757f1.html
Upside: Picture of vasa previa and velamentous cord insertion
Downside: WARNING: graphic pictures
* Cord Length * Single Umbilical Artery * Velamentous Insertion and Vasa Previa * Cord Knots, Nuchal Cord, and Cord Stricture * Cord Hematoma, Cord Cysts, and Cord Varix * Hemangiomas and Teratomas * ...
www.emedicine.com/med/topic3276.htm
Upside: Article with very detailed discussion on various umbilical cord issues during pregnancy
Downside: Some medical language
The relationship between the placenta and the umbilical cord is very important, and abnormal relationships can be hazardous for the fetus. The placenta is a disc, the the umbilical cord normal ...
www.askanob.com/umbilicalcordfindings/cordandvasaprevia.html
Upside: Very good information on velamentous cord insertion and vasa previa with helpful graphics
Downside: Graphics may not be right for you
Velamentous insertion of umbilical cord: An abnormal condition in which the umbilical cord does not insert into the placental mass but, instead, traverses the fetal membranes before it inserts into ...
www.medterms.com/script/main/art.asp?articlekey=20497
Upside: Basic definition of velamentous cord insertion
Downside: Limited depth; some medical language
A complication in the formation of the umbilical cord that can lead to serious pregnancy complications, such as vasa previa. In a normal gestational sac, the umbilical cord is inserted into the ...
miscarriage.about.com/od/pregnancylossbasics/g/velamentous.htm
Upside: Basic definition of velamentous cord insertion
Downside: Limited depth; busy page
What is placenta previa? What happens if I'm diagnosed with placenta previa? What will happen if my previa persists? What other complications can placenta previa cause? Who's most at risk for ...
www.babycenter.com/0_placenta-previa_830.bc
Upside: Detailed article on placenta previa including pictures, complications and risks
Downside: Click on 'See all on one page' to reduce clicking
the uterus and partially or completely covers the cervix. The placenta may separate from the uterine wall as the cervix begins to dilate (open) during labor.
americanpregnancy.org/pregnancycomplications/placentaprevia.html
Upside: Good overview on placenta previa
Downside: Limited links for additional depth
What you need to know: Placenta previa is the term for a placenta that implants very low in the uterus. It covers all or part of the internal opening of the cervix. The cervix is the exit route from ...
www.marchofdimes.com/pnhec/188_1132.asp
Upside: Detailed explanation of placenta previa
Downside: Small, light color font
In my wife's twentieth week of pregnancy she had an ultrasound and the doctor detected partial placenta previa. He told us that at this time it is pretty common for that condidtion to exist. He then ...
parenting.ivillage.com/pregnancy/pcomplications/0,,midwife_3p4n,00.html
Upside: Basic answer to question on placenta previa during the second trimester
Downside: Limited depth
Placenta previa, the implantation of the placenta at least partially covering the cervix, occurs in about one in 200 pregnancies. There are actually three types of previa.
pregnancy.about.com/cs/placentaprevia/a/previa.htm
Upside: Good overview of placenta previa and pregnancy
Downside: Cluttered page