1 Sigmoid colon: The final S-shaped length of the colon, curves inward among the coils of your small intestine, then empties into the rectum.  Rectum: The final section of digestive tract measures from 1 to 1.6 inches (or 2.5 to 4 cm). Leftover waste collects there, expanding the rectum, until you go to the bathroom.
In addition to a missed period, the earliest signs and symptoms of pregnancy might include: 1  Tender, swollen breasts. 2  Nausea with or without vomiting. 3  Increased urination. 4  Fatigue. 5  Food aversions or cravings. 6  Next.
Pregnancy symptoms: Top 11 early signs of pregnancy You might be pregnant if you have early symptoms of pregnancy, such as nausea, fatigue, light bleeding, sore breasts, bloating,... Video playlist: 6 common pregnancy symptoms Learn how to get relief from common pregnancy symptoms such as constipation, heartburn, and frequent urination.