וַיָּבֹ֥א אֶל־הָגָ֖ר וַתַּ֑הַר וַתֵּ֙רֶא֙ כִּ֣י הָרָ֔תָה וַתֵּקַ֥ל גְּבִרְתָּ֖הּ בְּעֵינֶֽיהָ׃
And he went in unto Hagar, and she conceived; and when she saw that she had conceived, her mistress was despised in her eyes.
Read halakhic rulings (Jewish law) on Genesis 16:4 from the Mishneh Torah and classical halakhic sources, free online.