Though flatulence doesn't fall under the umbrella of "beautiful aspects" it is a common symptom during pregnancy. There are many beautiful aspects of pregnancy from the growth of the abdomen to the glow many pregnant women experience. Though flatulence doesn't fall under the umbrella of "beautiful aspects" it is a common symptom during pregnancy.

Causes of Flatulence During Pregnancy
Progesterone and Relaxin are hormones associated with pregnancy. These hormones begin to increase immediately after the embryo attaches to the wall of the uterus.
As hormone levels increase, ligaments and muscles begin to loosen in preparation for growth. While it would be great if the body could control which muscles loosen, it can and often the bowel muscles are affected, loosening with other muscles. As well, as the embryo grows there is an increased pressure on the rectum which can also push out gas.

Important Facts About Flatulence During Pregnancy
Your baby is not affected by the rolling gasses that are happening your body.
In fact, to your baby, the noise may sound a bit like music. As for partner and loved ones, they will have to grow used to the new, gassier you for a while until you give birth.

Treatment for Flatulence During Pregnancy
You may have loved those spicy and fried foods when you were
not pregnant, but now that you are, they can cause horrible gas. Foods that take longer to digest also cause gas in the bowel. Choosing to eat multiple meals a day, up to six, filled with foods that are easy to digest, is a great start to controlling gas. Other tips include eating more slowly, drinking lots of water, and relaxing.