One of the less common, but more worrisome, symptoms of teething is bleeding. A few spots of blood can sometimes be seen during teething, along with other symptoms like sucking, biting on solid objects, pain, slight decrease in appetite and irritability.

Nausea is a common pregnancy symptom during the first trimester, but as you enter the fourth month of your pregnancy and the second trimester, you probably hope to say goodbye to nausea. However, that is not always the case.

You just found out you are pregnant, but now you're experiencing symptoms that leave you concerned, such as backache and cramping. You might fear that these common PMS symptoms might signal a problem with your pregnancy and the early stages of a miscarriage.

Pain and cramping during pregnancy often causes expectant mothers to worry, although healthy pregnancies may include some abdominal pain and cramping. Previous abdominal surgeries, including C-sections, as well as your stage of pregnancy, can increase your likelihood of experiencing pelvic pain and cramping.

A dry mouth during pregnancy is very common and may extend to a dry throat, as well. Fluctuations in hormones may cause other changes in your mouth and throat, such as excessive saliva, puffy or bleeding gums or a metallic taste. These symptoms are normal and more of a nuisance than a cause for alarm.

The general aches and pains of pregnancy are mostly nothing more than annoyances, but sometimes, they're an indicator of a deeper problem. Between 50 percent and 80 percent of pregnant women experience various types of back pain during pregnancy, suggests Spine-Health.com.

At age 40, the disadvantages of having a baby are both long- and short-term. In the short term, you'll be dealing with physical issues. In the long term, you'll be facing social issues. These issues are not insurmountable, but only you can determine if you're willing to face them, no matter how sweet the payoff.

You must be cautious when using any type of aromatherapy oil or other supplements while pregnant because it may pose a danger to your unborn baby. Oregano oil is one aromatherapy oil that is used for various health problems, but is not recommended for use during pregnancy.

You produce hormones called relaxins while pregnant. These hormones cause the ligaments in the pelvis area to soften.

Hunger and digestive discomfort are familiar sensations to most pregnant women, especially those in their last few months or weeks of pregnancy. Your growing baby puts increasing pressure on your stomach, making it difficult and uncomfortable to eat a full meal. There are a few ways to increase your comfort, however.

When you're pregnant, the hormone progesterone plays an essential role in helping your baby grow. Most women have adequate progesterone levels without taking progesterone supplements.

Physical activity, including formal exercise, requires fuel for energy. Your body stores energy in the form of glycogen, a readily available fuel. The amount of glycogen in your body plays a major role in determining your level of endurance.