
Těhotenství: 18. týden
26. únor 2012Zdá se vám, že cítíte první pohyby vašeho miminka? A jak už je plod veliký, jakou má hmotnost? Už může slyšet vaše povídání? Podívejte se v přehledu 18. týdne.
Miminko rychleji roste a je velmi čilé. Plodové vody je totiž v děloze dost (asi 250 ml), navíc děťátko ještě není tak veliké a má tudíž kolem sebe pořád hodně místa.
Pohlavní orgány jsou plně diferencované. U dívek jsou vejcovody a děloha na správném místě. U chlapců jsou pomocí ultrazvuku ve vhodné poloze zřetelné genitálie. Tím stoupá možnost spolehlivějšího určení pohlaví miminka.
Plod v tuto chvíli měří asi 12-14 centimetrů a váží kolem 150 gramů.
Jaké orgány se vyvíjí?
- mozek velmi rychle roste (tvoří se mozková kůra)
- nervová vlákna se začínají obalovat tukovou hmotou (myelin)
- tvoří se sluchové kůstky (ve středním uchu; kůstky začínají přenášet zvuk do vnitřního ucha – miminko začíná slyšet!)
- na končetinách se vyvinuly klouby
- postupně se vyvíjí pevné kosti
- kůže stále velmi tenká
Co přinesl 18. týden mamince?
Je možné, že maminka zaznamená první pohyby plodu. Pravděpodobněji se tak ale stane u vícerodiček. Maminky očekávající první děťátko tyto pohyby ucítí spíše až kolem 20. týdne.
Rychleji narůstá i tělesná hmotnost (asi 0,5 kg/týden). O to více je třeba dodržovat správné držení těla, zvolit vhodnou obuv, jíst zdravě a přiměřeně se pohybovat.
V důsledku navýšení krevního oběhu a dalších kardiovaskulárních změn se může vyskytnout nízký tlak, který vyústí v závratě a mdloby. Je proto dobré neprovádět prudší a náhlé změny poloh. Doporučuje se vstávat ze sedu, nikoliv rovnou z pozice lehu. Nezbytné je dodržovat i správný pitný režim.
Toto období s sebou obvykle nese ještě jeden nepříjemný důsledek, a tím je pálení žáhy. Je způsobeno tlakem dělohy na žaludek a také hormony, které v těhotenství zpomalují trávicí proces.
Jaké vyšetření maminka podstoupí?
Opět ji čeká pravidelné vyšetření moči, měření krevního tlaku a váhového přírůstku.
Hodnocení
Hodnocení: 3.43 hvězdiček / Hodnoceno: 7x
Autor: Monika Tůmová
Momentálně jsem především maminka na rodičovské dovolené se dvěma chlapečky a třetí je na cestě... Rodičovské povinnosti a radosti si ještě zpestřuji studiem, nejprve antropologií a nyní učitelským oborem (zeměpis, základy společenských věd). Profil G+
[Nahoru ↑]
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