Ingabe amawele nama-multiples azalwa amancane kunama-singletons?
Umbiko okhishwe yi- National Vital Statistics Report ngasekupheleni kuka-2011 wembula imininingwane ethakazelisayo mayelana namawele, ama-triple kanye nezinye iziphindaphindiwe nokuthi zihlangene kanjani nokuzalwa kwezilwane ze-singleton. Izinombolo zenza kucace ukuthi i-multiples zizalwa ekuqaleni futhi ezincane, ezilinganiselwe kunabalingani babo be-singleton.
Amawele
Ngenkathi izingozi zamawele azizange ziphakanyiswe njengoba ziyiziphindaphindiwe ze-oda eliphakeme, amawele asengakwazi ukuzalwa kusenesikhathi futhi anciphise.
Eminye imininingwane eqoqwe kusukela ekubelethweni ngonyaka ka-2009, amaphesenti angu-11,4 amawele azalwa kakhulu, (okuchazwa ukuthi angaphambi kwamasonto angu-32) kanti ngaphezu kwengxenye (58.8%) yazalwa ngaphambi kwamasonto angu-37 ukubeletha. Uma kuqhathaniswa, amaphesenti ayishumi kuphela ama-singletons azalwa ngaphambi kwamasonto angu-37 kanti ngaphansi kwamaphesenti angu-2 azalwa ngaphambi kwamasonto angu-32.
- Ubudala bokuthi ubudala bezinwele bezingama-35.3 amasonto.
Ukuzalwa okuphansi okuphansi kubhekwa njengezingaphansi kuka-2 500 amagremu noma amapremu angu-5, ama-ounces angu-8. Ukuzalwa okuphansi kakhulu okuchazwayo kunesisindo esingaphansi kwamagremu angu-1,500 noma ama-3 amakhilogremu, ama-ounces amahlanu. Amaphesenti angaphezu kwesigamu (56.6%) ahlangabezane nencazelo yokuzalwa okuphansi okuphansi kanye namaphesenti ayishumi amawele azalwa ngo-2009 ahlukaniswa njenge-birthweight ephansi kakhulu.
- Isisindo esiphakathi samawele sasingamakhilogremu amahlanu, ama-ounces amabili (2,336 amagremu).
Izintathu
Abantwana abangaba ngu-6 000 babeyingxenye yokuzalwa kathathu ngo-2009. Ngaphezulu kwamaphesenti angamashumi ayisishiyagalolunye (94,4%) azalwa ngaphambi kwesikhathi (ngaphambi kwamasonto angu-37) kanti amaphesenti angamashumi amathathu nesikhombisa (36.8) ayebhekwa njengenhloko (owazalwa ngaphambi kwamasonto angu-32).
- Iminyaka yobudala yokuthoma yezintathu ezizalwe kwaba amasonto angu-31.9.
Ngokuvamile izintathu ezincane zingaphansi kwengxenye yobukhulu bomntwana ongasenalo. Ngaphezu kwengxenye yesithathu yezintathu ezazalwa ngonyaka ka-2009 kwakuyi-birthweight ephansi kakhulu.
- Isisindo esiphakathi kwezinsana zezintathu sasingamakhilogremu amathathu, ama-ounces angu-10.5.
Ama-quadruplets
Ama-quadruplets , izinsana ezalwa ngamasethi amane, ziye zanda ingozi.
Izingane ezingu-355 zazalwa njengama-quadruplets ngonyaka ka-2009. Cishe bonke - amaphesenti angu-98,3 - bazalwa ngaphambi kokuzalwa futhi abangaphezu kwesigamu - amaphesenti angu-64.5 - bazalwa ngaphambi kwesikhathi (amasonto angaphansi kwama-32).
- Ubudala bokuthi ubudala bezingane ezinezizukulwane ezizalwa ngonyaka ka-2009 kwaba amasonto angu-29.5
Ngokufanayo, cishe wonke ama-four - amaphesenti angu-98,6 - amakhilogremu ayisithupha, ama-ounces ayisishiyagalombili, futhi ngaphezulu kwengxenye yesithathu (amaphesenti angu-68.1) alinganisa amapremu amathathu, ama-ounces amahlanu.
- Ngo-2009, isilinganiso se-quadruplet esilinganisa amakhilogremu amabili, ama-ounces angu-13.5 ngesikhathi sokuzalwa.
I-Quintuplets nephezulu
Ngonyaka ka-2009, kwasungulwa amaqoqo amaningana ama-supertwins amakhulu. Zifaka ama- quintuplets (5), ama- sextuplets (6), ama-septuplets (7) kanye nama-octuplets, iqoqo lamantombazane ayisishiyagalombili. 2009 yabona ukuzalwa kwesisindo sokuqala samashubhu (izingane eziyisishiyagalombili), ama-ocleplets aseSulman azalwa eCalifornia. Lezi zinsana zazalwa ngamasonto angu-30.5 ukubeletha, ngokumangalisa kakhulu ngaphezu kwesilinganiso samaviki angu-26.6 wezinyanga eziphezulu kakhulu. Kubantwana abangama-80 abazalwa njengezixazululo ze-oda eziphakeme njengezintambo ezincane , ubulili , ama-septuplets noma ama-octuplets, cishe bonke bazalwa ekuqaleni. Amaphesenti angu-96.3 ayengaphambi (ngaphambi kwamasonto angu-37) kanti ama-95.0 ayengaphambili. Amanye amavolontiya e-oda aphakeme azalwa ngo-2009 ahlanganisa izidakamizwa zeStansel (2 ezisinda), ama-quintuplets angu-Jones (avezwe ohlelweni lwethelevishini lwe-TLC, "Quints by Surprise"), ama-quintuplets amaMaskell-Mistalski (amane asinda), kanye ne-Conklin quintuplets evela ePennsylvania .
- Ukutholwa kwesilinganiso se-quintuplets kanye ne-multiples order multiples ngo-2009 kwakungu-26.6 amasonto.
Ngenxa yokubeletha kwabo, ama-ocleplets ase-Suleman alinganisa phakathi kwamakhilogremu angu-8, ama-ounces angu-8 no-3 amakhilogremu kanye nama-ounces angu-4. I-86.5% yezintambo eziningana + yayingama-birthweight aphansi kakhulu futhi angu-94.5% kwakuyi-birthweight ephansi ngo-2009.
- Ukuzalwa kwesilinganiso sokuzalwa kwe-quintuplets futhi ngaphezulu ngo-2009 kwakuyi-2 pounds, ama-ounces amathathu.
Iminyaka yobuGestational kanye nezinhlobo zokuzalwa
| US Births 2009 | ||||||
| Zonke Ukuzalwa | Ama-Singletons | Amawele | Izintathu | Ama-quadruplets | I-Quintuplets + | |
| Inombolo | 4,130,665 | 3 987.108 | 137.217 | 5905 | 333 | 80 |
| Amaphesenti angu-preterm (<32 ama-wks) | 2.0 | 1.6 | 11.4 | 36.8 | 64.5 | 95.0 |
| Isikhathi sokuqala samaphesenti (<37.5 ama-wks) | 12.2 | 10.4 | 58.8 | 94.4 | 98.3 | 96.3 |
| Iminyaka yobudala yokugubha (amasonto) | 38.6 | 38.7 | 35.5 | 31.9 | 29.5 | 26.6 |
| Isisindo sokuzalwa esiphansi kakhulu (<1,500 g noma 3 lbs. 5 oz.) | 1.5 | 1.1 | 9.9 | 35.0 | 68.1 | 86.5 |
I-percentage birthweight ephansi (<2,500 g noma 5 lbs. 8 oz.) | 8.2 | 6.4 | 56.6 | 95.1 | 98.6 | 94.6 |
| Kusho ukubelethwa kokubeletha ngamagremu (namakhilogremu) | 3262 (Ama-7 lbs. 3 oz.) | 3296 (Ama-7 lbs. 4 oz.) | 2336 (Ama-5 lbs. 2 oz.) | 1660 (Ama-3 lbs. 10.5 oz.) | 1291 (Ama-2 lbs. 13.5 oz.) | 1002 (Ama-2 lbs. 3 oz.) |
Umthombo:
UMartin, J., et al. "Ukuzalwa: Idatha Yokugcina ka-2009." Imibiko kaZwelonke yeVital Statistics, uMqulu 60, ngoNovemba 2011.