EditorialChaya Rothschild, an andrologist at Maze Health, extracts sperm from an ejaculate sample in a process called extended sperm search and microfreeze in New York, Sept. 28, 2022. (Jackie Molloy/The New York Times)
EditorialChaya Rothschild, an andrologist at Maze Health, extracts sperm from an ejaculate sample in a process called extended sperm search and microfreeze in New York, Sept. 28, 2022. (Jackie Molloy/The New York Times)
EditorialKelly Tyrrell, an ultramarathon runner, who was advised to stop taking estrogen after blood clots were discovered in her lungs, in Madison, Wis. on April 22, 2021. (Lauren Justice/The New York Times)