The placenta starts forming as early as six days after fertilization. At this point your baby-to-be is a hollow ball of several hundred cells called a blastocyst. The blastocyst attaches to the lining of the uterus, usually near the top. This is called implantation, and it's completed by...
Care guide for Placenta Previa. Includes: possible causes, signs and symptoms, standard treatment options and means of care and support.
What brings the stork:What triggers labor has always mystified science, but a new study might have found the answer u and might help prevent preterm births.Australian researchers say the balance between two types of estrogen, which is affected by a hormone produced in the placenta called CRH,...
For women who got pregnant via in vitro fertilization (IVF), there is a 1 percent chance of what is called a heterotopic pregnancy. This is when an intrauterine pregnancy occurs at the same time as an ectopic pregnancy. For women who got pregnant naturally, the risk of this is much lower...
The opening to the uterus is called the cervix. The cervix connects the uterus to the vagina, and it is cylindrical in shape. The portion of the...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough...
This is called premature rupture of membranes (PROM). Amniotic fluid can leak out of a torn amniotic sac.What are the risks of polyhydramnios?Your water may break early, and your baby may be born prematurely. He or she may grow more than expected. The placenta may pull away from the ...
What is a Cotyledonary placenta? Cotyledonary: Multiple, discrete areas of attachment called cotyledons areformed by interaction of patches of allantochorion with endometrium. The fetal portions of this type of placenta are called cotyledons, the maternal contact sites (caruncles), and the cotyledon...
The contraction phase of the heart chambers is called systole. During systole, the ventricles are contracting and delivering blood outside of the...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough ...
Placenta accreta spectrum (PAS) is an umbrella term for a variety of pregnancy complications due to abnormal placental implantation, including placenta accreta, placenta increta and placenta percreta. During the past several decades, the prevalence of PAS has been increasing, and the clinical importanc...
The placenta plays a crucial role during pregnancy. Find out what it does, issues that might affect the placenta and how the placenta is delivered.