A three-hour round-trip commute made motherhood and a career seem out of reach for Stefi Markowicz. But when the pandemic hit, she started working from home, and in June of this year, she gave birth to a son. Markowicz, 27, of Fort Lauderdale, Florida, credits the change in her routine to her becoming a mother earlier in life than anticipated. Research suggests other parents can, too. A new study from Stanford University estimates that 80,000 additional births occurred each year in the US