New Revised Standard Version
While she was in labor, one put out a hand; and the midwife took and bound on his hand a crimson thread, saying, “This one came out first.”

New American Bible
While she was giving birth, one put out his hand; and the midwife took and tied a crimson thread on his hand, noting, “This one came out first.”

Douay-Rheims Bible
This shall come forth the first.

This shall come forth the first.

came to pass.

Genesis 38:1 At that time Juda went down from his brethren, and turned in to a certain Odollamite, named Hiras.

travailed.

Genesis 35:16 And going forth from thence, he came in the spring time to the land which leadeth to Ephrata: wherein when Rachel was in travail,

midwife.

Genesis 35:17 By reason of her hard labour, she began to be in danger, and the midwife said to her: Fear not, for thou shalt have this son also.

scarlet thread.

Joshua 2:18 If, when we come into the land, this scarlet cord be a sign, and thou tie it in the window, by which thou hast let us down: and gather together thy father and mother, and brethren, and all thy kindred into thy house.