What are the symptoms of multiple pregnancy (twins or more)?

If you are pregnant with more than one fetus, you can expect to have the same symptoms as those of a pregnancy with one fetus (called a singleton pregnancy). But the symptoms may happen earlier and may be worse. A multiple pregnancy is likely to cause:

• Early and excessive nausea and vomiting in the first trimester.
• Extra weight gain
• Backache
• A uterus that is larger than expected for your due date
• More fetal movement than expected during the second trimester and later

Pregnancy: Dealing With Morning Sickness

Later in the pregnancy, you are more likely to have:

• Varicose veins
• Constipation
• Hemorrhoids
• Increasing backache
• Trouble breathing (caused by pressure on the lungs from the uterus pushing up on the diaphragm)
• Indigestion (caused by pressure on the stomach from the large uterus)
• A very large belly
• Gestational diabetes
• Preeclampsia, a serious disorder of circulation and blood pressure that affects both mother and fetuses
• Preterm labor