Twitter, 3, 6

U

Uber, 187

ultrasound technology, 35, 36, 63, 85, 87, 128–29, 146, 218, 341

Union, Gabrielle, 185

U.S. Census Bureau, 41, 42

University College London, 182

University Hospitals Fertility Center, 285–87, 289–91

University of Bologna Department of Obstetrics and Gynecology, 46–48, 330

University of Washington, 120

University of Wisconsin—Madison, 200

Unwell Women (Cleghorn), 140

urine, 117, 215–16

urine tests, 123, 124n

uterine fibroids, 12, 203n, 219

uterine transplants, 321

uterus, 22, 35, 40, 45, 47, 69, 70, 72, 73, 75, 93, 106, 132, 173, 175, 189, 287, 302, 321, 322

V

vaginal canal, 106

vaginal rings, 79, 80

vaginas, 20, 22, 143

Varsavsky, Martin, 190, 323

vasectomy, 80

Vechery, Afton, 126–27

Verge, The, 185

Versed, 65

Vios Fertility Institute, 255

Virginia, embryo custody in, 299

viscosity, 5

vitrification, 47–49, 151, 153, 169, 170, 171n, 186, 189, 231

Vox, 130

vulva, 22

W

Walgreens, 186

Walmart, 185

Washington Post, The, 4, 23

Weschler, Toni, 108–9

Wheeler, Katie, 23

When Breath Becomes Air (Kalanithi), 301–2

WHO (see World Health Organization)

Wiel, Lucy van de, 255

Wilson, Rebel, 15

Wing, Jessica, 221, 225

withdrawal bleeding, 76, 85, 119

withdrawal method of birth control (coitus interruptus), 80

Woman: An Intimate Geography (Angier), 28

women’s rights movement, 38

World Health Organization (WHO), 215

Wortham, Jenna, 25

Y