Ua ntej 1985, lo lus "lub caij nyoog" (los txhais tau tias kev coj khaub ncaws) yeej tsis tau hais hauv Asmeskas TV. Txawm li cas los xij, cov kab lis kev cai no tsis tau tso tseg kev tsim kho thev naus laus zis: thawj cov ntaub ntawv pov tseg tau tsoo lub khw hauv 1896.
Thaum twg poj niam cev xeeb tub thawj pom?
3,000 B. C. - 5th century Historians ntseeg tias Ancient Egyptians ua tampons tawm ntawm softened papyrus, thaum Hippocrates, Leej Txiv ntawm Tshuaj, sau hais tias Ancient Greek poj niam siv los ua tampons los ntawm wrapping khoom ntawm ntoo nrog lint.
Lawv ua dab tsi rau lub sijhawm xyoo 1800?
The 1800s: Thawj Disposable Napkin Ntawm nws lub vev xaib, Tsev khaws puav pheej ntawm Menstruation hais tias cov poj niam no tau ua lawv tus kheej coj khaub ncaws, yuav cov ntaub so ntswg, los yog xaiv kom lawv cov khaub ncaws nqus cov ntshav. Nco ntsoov: cov poj niam muaj lub caij nyoog tsawg dua.
Lub sijhawm pib li cas hauv keeb kwm?
Ntawm keeb kwm, tib neeg kuj tau xav txog cov ntshav coj khaub ncaws ua kev foomNyob rau hauv Loos, muaj kev ntseeg tias nws muaj hwj chim los rhuav tshem cov qoob loo thiab qaub cawv. Cov lus dab neeg no tau txuas nrog Pliny tus Txwj Laug, Roman naturalist. Nws kuj tau hais tias lub sijhawm tuaj yeem tswj tau huab cua.
txiv neej puas muaj lub caij nyoog?
Tus txiv neej puas tuaj yeem tau sijhawm? Zoo li poj niam, cov txiv neej muaj kev hloov hormonal thiab hloov pauv. Txhua txhua hnub, ib tug txiv neej qib testosterone nce thaum sawv ntxov thiab poob rau yav tsaus ntuj. Testosterone qib tuaj yeem sib txawv ntawm ib hnub mus rau ib hnub.