Introduction+to+marijuana+and+pregnancy

Introduction to marijuana and pregnancy
= Prenatal development determines various outcomes for the future and there are several factors that can positively or negatively affect these outcomes. During the time of an embryo, skin, nerves, finger, toes and internal organs are being developed. After this stage the unborn child is considered a fetus and at this point muscles and skeletons are developed much more. During any of these stages of intense growth the fetus is prone to damage with anything that may cross the placental barrier. Things known as teratogens can affect the development of an unborn baby negatively and form various types of malformation. = == Marijuana comes from the leaves and flowers of cannabis sativa. There are various street names for it and examples of these are “weed”, “pot” and “grass”. There are over 60 known chemicals in marijuana; however the main one is delta-9-tetrahydrocannabinol. After smoking marijuana it does not take long to have an effect, in fact, within about a half hour the height of the high has been achieved. Cannabinoid receptors in the brain bind with THC and effect muscle control, reasoning, memory, vision and hearing. ==