וַתֹּ֣אמֶר אֶל־אָבִ֗יהָ אַל־יִ֙חַר֙ בְּעֵינֵ֣י אֲדֹנִ֔י כִּ֣י ל֤וֹא אוּכַל֙ לָק֣וּם מִפָּנֶ֔יךָ כִּי־דֶ֥רֶךְ נָשִׁ֖ים לִ֑י וַיְחַפֵּ֕שׂ וְלֹ֥א מָצָ֖א אֶת־הַתְּרָפִֽים׃
For she said to her father, “Let not my lord take it amiss that I cannot rise before you, for I am in a womanly way.” Thus he searched, but could not find the household idols.
Genesis 31:35 (The Contemporary Torah, JPS 2006)
Perhaps this is a precursor to the destroying angel who passed over the homes in the Israelites in Egypt.
Maybe Rachel’s blood points to the blood on the door posts that covered the presence of sin.