Bottle gourd or Lauki as it is known in Hindi is indeed beneficial during pregnancy.Pregnancy is the time when various toxins like sodium salts begin to accumulate in the body and leads to swelling of the legs especially when you stand or walk long distances. This is due to water retention which is common during pregnancy. Lauki or bottle gourd is a natural diuretic and helps remove the excess water from your body. Along with the excess water that leaves your body, toxins are also flushed out.Bottle gourd is 96.1% water, so it eat everyday during your meals either as juice or as a vegetable curry.