Although the anaconda is a thicker, heavier snake, some pythons are the world's longest snakes. The reticulated python of Southeast Asia has an average length of up to 4 to 6 meters (13 to 21 feet), the largest measuring 9.7 meters (nearly 32 feet).
One of the most common drugs used in the labour ward is pethidine, a synthetic, addictive, narcotic drug that is similar to morphine. In Britain it is also known as meperidine, and in America it is known as Demerol.
It wasn't until the 70s that they began to be used regularly for pain relief during labour. It was 1931 when the first catheter was used in an epidural. Today, the catheter is always used for epidurals due to its ability to be left in place for further medication.