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.
Fentanyl shouldn't be used during or immediately before labor because opioids can cross the placenta and potentially cause respiratory depression in newborns. The drug may also prolong labor. Because fentanyl is excreted in breast milk, do not use fentanyl if you're breastfeeding.