Good News Translation
If she is a virgin, he worries that she might be seduced and become pregnant while living in his house. If she is married, he worries that she might be unfaithful, or that she might not be able to have children.

New Revised Standard Version
while a virgin, for fear she may be seduced and become pregnant in her father’s house; or having a husband, for fear she may go astray, or, though married, for fear she may be barren.

Contemporary English Version
and will she be faithful to him? Will she get pregnant before she gets married and leaves your home? Or will she be able to have children?

New American Bible
While unmarried, lest she be defiled, or in her husband’s house, lest she prove unfaithful; Lest she become pregnant in her father’s house, or be sterile in that of her husband.

Douay-Rheims Bible
In her virginity, lest she should be corrupted, and be found with child in her father's house: and having a husband, lest she should misbehave herself, or at the least become barren.

In her virginity, lest she should be corrupted, and be found with child in her father's house: and having a husband, lest she should misbehave herself, or at the least become barren.

Sirach 42:8
Be not ashamed to inform the unwise and foolish, and the aged, that are judged by young men: and thou shalt be well instructed in all things, and well approved in the sight of all men living.

Sirach 42:9
The father waketh for the daughter when no man knoweth, and the care for her taketh away his sleep, when she is young, lest she pass away the flower of her age, and when she is married, lest she should be hateful:

Sirach 42:11
Keep a sure watch over a shameless daughter: lest at anytime she make thee become a laughingstock to thy enemies, and a byword in the city, and a reproach among the people, and she make thee ashamed before all the multitude.

Sirach 42:12
Behold not everybody's beauty: and tarry not among women.