2wwn.

Forms: 1900s– 2WW, 1900s– 2ww.

Origin: Formed within English, by derivation. Etymon: English two week wait.

Etymology: Graphic abbreviation < the initial letters of two week wait (attested in this sense from 1995 or earlier; < two adj. + week n. + wait n.), with the numerical symbol 2 for the first element.

Originally and chiefly in online forums relating to infertility and conception.

In the context of infertility treatment: ‘two week wait’, with reference to the period of time between the transfer of an embryo into a woman's uterus and the earliest date at which a pregnancy test is likely to be accurate. Also occasionally: the period of time between a couple's attempt to conceive naturally and the earliest reliable pregnancy test.

1999 Can anyone Help? in alt.infertility.secondary (Usenet newsgroup) 29 Mar. Would love to hear some experiences as im in my 2ww from my 1st IVF ICSI thank you.

2007 S. Perkins & J. Meyers-Thompson Infertility for Dummies ii. 80 The 2WW may seem like 1,000 years, and it's not likely that much will divert you from constantly thinking about pregnancy.

2013 www.babycenter.ca 11 Aug. (forum post, accessed 27 July 2017) I'm tentatively placing myself in the 2WW window - knowing full well AF doesn't show up exactly two weeks after ovulation following a miscarriage.

2017 @PreggieWifeSays 8 Apr. in Twitter (O.E.D. Archive) Good luck!!! The 2WW is really and truly the worst thing ever.

This is a new entry (OED Third Edition, January 2018; most recently modified version published online March 2022).

单词	2ww
释义	2wwn. Forms: 1900s– 2WW, 1900s– 2ww. Origin: Formed within English, by derivation. Etymon: English two week wait. Etymology: Graphic abbreviation < the initial letters of two week wait (attested in this sense from 1995 or earlier; < two adj. + week n. + wait n.), with the numerical symbol 2 for the first element. Originally and chiefly in online forums relating to infertility and conception. In the context of infertility treatment: ‘two week wait’, with reference to the period of time between the transfer of an embryo into a woman's uterus and the earliest date at which a pregnancy test is likely to be accurate. Also occasionally: the period of time between a couple's attempt to conceive naturally and the earliest reliable pregnancy test. Π 1999 Can anyone Help? in alt.infertility.secondary (Usenet newsgroup) 29 Mar. Would love to hear some experiences as im in my 2ww from my 1st IVF ICSI thank you. 2007 S. Perkins & J. Meyers-Thompson Infertility for Dummies ii. 80 The 2WW may seem like 1,000 years, and it's not likely that much will divert you from constantly thinking about pregnancy. 2013 www.babycenter.ca 11 Aug. (forum post, accessed 27 July 2017) I'm tentatively placing myself in the 2WW window - knowing full well AF doesn't show up exactly two weeks after ovulation following a miscarriage. 2017 @PreggieWifeSays 8 Apr. in Twitter (O.E.D. Archive) Good luck!!! The 2WW is really and truly the worst thing ever. This is a new entry (OED Third Edition, January 2018; most recently modified version published online March 2022). < n.1999
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