How does a fetus stay alive?

Is the heart made of smooth muscle? Are stomach pains that feel like a sore stomach a sign of early pregnancy? Can tramadol and sleeping pill be mixed? If your cycle is longer then 35 days when are you fertile? What hormone is produced by the blastocyst? What type of sign warns that there is a sharp rise on the roadway? How much does lab work cost for pregnancy? When is it unlikely for a woman to get pregnant? Does Invega Sustenna cause depression? A person who does not show a genetic disease such as Tay Sachs or Cystic Fibrosis but can pass the gene on to the next generation is called? How long after the ovulation test comes positive do you start having intercourse? What exactly is a prostate surgery? What is the implicated illnessof the campylobacter jejuni? Who has lice? What are some of the examples of artwork that show emphasis? Can a baby survive if born when mother is 5 months pregnant? What appears in the first stage of syphilis? What is the cause of a sore on the stomach? Why do people have red eyes? Do you apply heat or ice to a pulled muscle?