Numbers, Facts and Trends Shaping Your World

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  1. Figure for the percentage of same-sex parents out of all U.S. parents with children under age 18 is based on Pew Research Center analysis of 2023 American Community Survey data.
  2. Reciprocal IVF, also called partner-to-partner insemination, is when a couple uses one partner’s egg that has been inseminated through in vitro fertilization and the other member of the couple carries the pregnancy.