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Hormonal Stress Response

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From The Biology of Prenatal Development.

Script: 4 MESOS

A les 16 setmanes, els procediments d'inserció d'una agulla en l'abdomen del fetus desencadenen una resposta hormonal d'estrès, la qual allibera noradrenalina, o norapinefrina, al torrent sanguini.

All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.

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4D Ultrasound

Hormonal Stress Response

Vernix Caseosa

4D Ultrasound

Bronchial Tree

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Hormonal Stress Response

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4 months, 1 week