"cryopreservation"

Not knowing about your fertile window, tracking and predicting ovulation days can be challenging for desirous couples to get pregnant.

Through a process called cryopreservation, embryos — a group of cells that mark the earliest stage of human development — are frozen and stored in liquid nitrogen at minus 320 degrees Fahrenheit (minus 196 degrees Celsius), a temperature that stops all biological activity, Behr said.

In the current scenario, more women are postponing family planning until their 30s and early-40s due to several personal and professional commitments.