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Forum CopilulMeu • View topic - Placenta

Placenta

Greturi, somnolenta, balonare, iritabilitate, cresterea in greutate, celulita, vergeturi, constipatie, dureri musculare, oboseala etc Discutii, experiente si remedii.

Placenta

Postby csim » Wed Jun 28, 2006 9:43 am

Fetelor, lamuriti-ma si pe mine, ce inseamna placenta ceva mai subtire si complet segmentata?
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Postby nicol_s » Wed Jun 28, 2006 11:17 am

Nu am prea inteles intrebarea, dar daca vrei o definitie a placentei, iata:

PLAC
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Postby csim » Wed Jun 28, 2006 11:39 am

Asa mi s-a spus la ecografie. Placenta este maturata.
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Postby bubutza » Wed Jun 28, 2006 11:43 am

La ce a scris Nicol adaug:Organ discoidal ,in care vasele sangvine ale mamei se deschid in lacune sangvine.Aici plutesc formatiuni filiforme ,numite vilozitati coriale ,prin care fatul primeste hrana de la mama.Unele vilozitati sunt mai lungi ,vilozitati crampon ,se fixeaza de peretele uterului si ancoreaza fatul in uter.Vasele ombilicale ,2 artere si o vena ,inconjurate de un tesut conjunctiv ,strabat cordonul ombilical,care stabileste legatura dintre placenta si corpul fatului.Placenta este un organ endocrin temporar care secreta niste hormoni.Ea are rol si de bariera ,care impiedica trecerea agentilor patogeni de la mama la fat(cu exceptia unor virusuri).Te pup.
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Postby MariaParvu » Wed Jun 28, 2006 11:50 am

cite saptamini ai?
placenta are niste grade de maturare in functie de evolutia sarcinii.
cu cit te apropii de termen, placenta se... consuma, ca sa zic asha. si incepe sa se calcifieze
d-aia la unele sarcini depasite ca termen se provoaca nasterea, pentru ca nu mai are cu ce se hrani bebele.

dk am spus prostii, sa-mi zica fetele cu mai multe cunostinte medicale.
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Postby cristina_gl » Wed Jun 28, 2006 11:55 am

Asa stiu si eu, ca segmentarea completa a placentei anunta nasterea. Daca-i inainte de termen, nu stiu ce sa zic, dar ginecologul stie.
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Postby MariaParvu » Wed Jun 28, 2006 12:09 pm

am gasit pe net:

Stadiile de imbatranire sau maturare ale placentei sunt definite ecografic, adica aspectul ecourilor returnate de placenta in cadrul acestei investigatii este cel ce contureaza un anumit grad al maturitatii placentare. Exista 4 astfel de stadii, notate de la 0 la 3. Stadiul 3 este caracteristic perioadei termenului si semnifica iminenta acestuia, stadiul 2 apare putin inaintea termenului si anunta apropierea lui, iar stadiile 0 si 1 se intalnesc in restul sarcinii (stadiul 1 numai in cea de-a doua jumatate a sarcinii).

La 24-25 saptamani placenta ar trebui sa se gaseasca in stadiul 0, cel mult 1 de maturare. Prezenta unor stadii ecografice avansate evidentiaza o imbatranire precoce a placentei, cu formare de mici trombi care eventual sufera si un proces de calcifiere (care dealtfel sunt responsabili de aparitia ecourilor specifice vazute la ecografie). Aceasta presupune o reducere a schimburilor transplacentare intre mama si fat, si deci la un anumit grad de suferinta fetala in utero.

Tinand cont de explicatiile sumare de mai sus, putem concluziona totusi ca daca nu exista semne de suferinta fetala, este vorba probabil de o interpretare eronata a gradului de maturare al placentei. Acest lucru este perfect posibil, dat fiind faptul ca diferentele intre aspectele ecografice ale celor 4 stadii de maturare sunt relativ mici si deci pot fi usor confundate. Este drept, diferenta intre stadiul 3 si stadiul 1 este semnificativa, dar erori date de artefacte ecografice apar relativ frecvent.
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Postby bubutza » Wed Jun 28, 2006 12:12 pm

Stadiile de maturare sau imbatranire ale placentei sunt definite ecografic.Exista 4 astfel de stadii notate de la 0 la 3.Stadiul 3 este caracteristic perioadei termenului si semnificatia iminenta a acestuia.Stadiul 2 apare cu putin inaintea termenului si anunta apropiere lui.Stadiile 0 si 1 se intalnesc in restul sarcinii(stadiul 1 numai in a doua jumatate a sarcinii).La 24-25 saptamani placenta ar trebui sa se gaseasca in stadiul 0, cel mult 1 de maturare. Prezenta unor stadii ecografice avansate evidentiaza o imbatranire precoce a placentei, cu formare de mici trombi care eventual sufera si un proces de calcifiere (care dealtfel sunt responsabili de aparitia ecourilor specifice vazute la ecografie). Aceasta presupune o reducere a schimburilor transplacentare intre mama si fat, si deci la un anumit grad de suferinta fetala.
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Postby bubutza » Wed Jun 28, 2006 12:13 pm

Hai ca am postat una dupa alta . [:D]
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Postby MariaParvu » Wed Jun 28, 2006 12:15 pm

si am gasit si aceeasi chestie...
[:D] a crapat un drac! [:D]
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