He said not to worry, but he would monitor it. A mature placenta in the third trimester has numerous blood vessels to support the blood gas and nutrient exchange of maternal-fetal circulation required by the growing fetus. We don't know in what context your physician used this term. Rather than allowing us to speculate, ask your physician to clarify what he meant. 882-7000 to make an appointment with a University of Missouri Health Sciences Center physician.
Twins are most common in African-American women.
Your chances of becoming pregnant with twins are greater if you or your mate have a family history of twins, if you are age 35 or older or if you are taking fertility medication. Check the calendar.