How will I know if I am having twins?

Sonography. There isn't a tell-tale way of knowing if you are having twins in the first trimester of pregnancy. Some women carrying multiples have exaggerated symptoms of pregnancy, like more pronounced nausea/vomiting. Ultimately, at some point during your pregnancy, you will have a sonogram performed and the twin pregnancy will be identified.

Related Questions

How do I know if I am having twins?

Ultrasound. Generally twins are diagnosed by ultrasound. Some women are able to feel two different babies move without knowing already that there are 2 babies. However most women have at least one ultrasound before fetal movement is regularly detected. Read more...
Depends on location. For women in north america fortunate enough to have ultrasound imaging provided, most will know about multiple fetuses before they are born. In some other parts of the world, they may need to rely on their size or perhaps number of bony parts protruding. Often, if no ultrasound has been performed, delivery of a baby smaller than expected, based on size of abdomen, is an indication to look for more. Read more...

How can I know if I am having twins?

Early ultrasound. An ultrasound performed in the first trimester can confirm twins. Sometimes when twins are diagnosed very early, one of the twins may not survive and then the pregnancy usually will proceed normally as a singleton. Blood levels of the pregnancy hormone are also higher than a singleton pregnancy. Read more...