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Like many first-time moms, Nathalia Marin Torres was excited when she found out she was pregnant last August, but she was also a bit nervous. The 33-year-old Colombia native didn’t click with her OB-GYN and felt like she needed more support navigating the health care system in the United States. “When you’re kind of far away from family and from your culture, it’s a little bit overwhelming,” Torres said. (Kopf and Essamuah, 3/21)

Children whose mothers received most of their perinatal care from midwives were less likely to be fully vaccinated on schedule and more likely to have delayed or refused routine immunizations than those cared for primarily by physicians, according to an observational study published this week in Vaccine. (Bergeson, 3/20)

San Francisco has one of the highest shares of babies born through in vitro fertilization in the country, a Chronicle analysis found. At least 9.4% of babies born in San Francisco in 2024, the latest available data, were born from pregnancies that used assistive reproductive technologies, which by definition includes in vitro fertilization as well as the rarely used gamete intrafallopian transfer, according to CDC data collected from birth certificates. That puts San Francisco just behind three counties in New Jersey. (Echeverria, 3/21)

Mothers share so much with their babies, from favorite lullabies and bedtime stories to clothes and toys from their own childhood. But some of the most important things that moms share with their babies are transferred before birth, in the form of antibodies that protect newborns from disease. Maternal antibodies equip newborns with a ready-made shield against infection during the first few months of life, when an infant’s immune system is still under development. (Szabo, 3/20)

As soon as Wyoming banned abortion, the state’s providers and those seeking care quickly changed course. At the state’s lone clinic, almost a dozen appointments had been delayed or referred out of state after the first five days. By the end of week two, that number was roughly 20, said Katie Knutter, executive director of Wellspring Health Access in Casper. (McMurtry, 3/20)