The title of the article says it all:  Facebook and Apple now paying for women to put motherhood on ice by freezing their eggs. A sidebar explains how it works:

FERTILITY ON ICE: HOW FREEZING EGGS WORKS

Women inject high levels of hormones for a week in order to ovulate as many eggs as possible. Retrieving them is an outpatient procedure that can cost $10,000 to $15,000, sometimes not including the cost of the medication. Clinics also charge a storage fee, and then women who wind up using their eggs will pay thousands more to undergo in vitro fertilization.