DNA (deoxyribonucleic acid) The molecule that carries genetic information in all living systems (see genetic code). The DNA molecule is formed in the shape of a double helix from a great number of smaller molecules (see nucleotides). The workings of the DNA molecule provide the most fundamental explanation of the laws of genetics.
Getting an epidural. Watch one mom in labor get an epidural for pain relief. The medication is usually a combination of a local anesthetic and a narcotic. Local anesthetics block sensations of pain, touch, movement, and temperature, and narcotics blunt pain without affecting your ability to move your legs.
An epidural block (sometimes referred to as âan epiduralâ) is the most common type of pain relief used during labor and delivery in the United States. In an epidural block, medication is given through a tube placed into the lower back. An epidural block can be used during labor and for a vaginal delivery or cesarean delivery. For labor and vaginal delivery, a combination of analgesics and anesthetics may be used.