What are the most fascinating statistics about pregnancy that Hilary Erickson has researched?

Hilary Erickson has compiled a wealth of fascinating statistics about pregnancy and birth. Here are some highlights:

• Birth Fears: 68% of pregnant people fear having a cesarean section, and 81% fear something going wrong with the baby.
• Prenatal Care: 71% of women start prenatal care in the first trimester, but 1.6% of pregnant women receive no prenatal care at all.
• Births in the US: In 2020, there were 3,613,647 births in the United States. The 2020 twin birth rate was 31.1 twins per 1,000 live births.
• Unplanned Pregnancies: In 2011, 45% of the 6.1 million pregnancies in the US were unintended.
• Labor Statistics: 15% of women have their water break before labor begins. 1 in 5 women worldwide have a cesarean section.
• Tearing at Birth: The majority of women (9 out of 10) will tear to some extent during childbirth.

These are just a few of the many statistics Hilary has researched. Is there a specific area of pregnancy or birth you're interested in learning more about?