Pregnant 
To dream you are pregnant signifies growth and development in your personal life. You may find that you are unprepared to act on it or to even discuss the matter with other people. It may also symbolize the birth of new ideas, projects, directions, or goals.
To dream of being pregnant with a dying baby suggests that your hard work is suddenly doomed to fail. It denotes anxiety over things that are unfolding in ways you never expected.
A pregnant woman having dreams of her pregnancy usually conveys her worries in various stages of her pregnancy. First trimester dreams are usually consist of small creatures, furry animals, flowers, fruits, and water. Second trimester dreams usually cover birth complications and self-doubt about motherhood. You may also dream of giving birth to a non-human baby. Finally, in the third trimester, you tend to dream of your own mother.
When a man dreams of getting a girl pregnant, it is a warning that serious consequences may result from his sexual activities.
Uterus
To dream of your own uterus may refer to childbirth or to creative energy.
To dream of your uterus while you are pregnant or trying to become pregnant indicates that you have strong emotions such as anxiety or excitement about your upcoming child.
To dream of a uterus as a man, likely represents your desire to nurture an idea or to become a father.
Ultrasound
To dream of witnessing an ultrasound suggests that you want information about someone that may not be your right to have. You may not be entirely satisfied with the information that you do have and feel the need to know more.
Dreaming that you are receiving an ultrasound is more emotionally significant in that you may be wishing to uncover some insight into your own emotional world. The potential for a positive emotional shift is apparent here.
Pregnancy Test
To dream of taking a pregnancy test may augur a new stage in your life such as a new job or relationship. These changes in your life will test your ability to adapt and act on matters at hand.
Alternatively, your dream may be an actual expression of anxiety, fear, and worry about getting someone pregnant or being pregnant yourself.
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