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Results for “PLACENTAL HORMONES”

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[Endocrine secretions by bronchial tumors].

Frequency of ectopic hormonal secretions by lung carcinomas is evaluated about 10 percent. Clinical and biological manifestations are less frequently registered than circulating hormonal products which can be considered as evolution markers of the disease. The main secretions and their clinical consequences are described: parathyroid hormone (PTH), calcitonin (CT), growth hormone (GH), antidiuretic hormone (ADH), corticotrophin hormone (ACTH) and gonadotrophins (HCG, LH, FSH). Problems raised by detection of these hormone-like acting products are studied and different hypothesis are suggested as explanation of these secretions.

Calcium Metabolism Disorders↗

Fetoplacental endocrine and metabolic physiology.

This article deals with the formation and metabolism of steroid hormones in pregnancy and the proposed functions of these hormones; the formation of the polypeptide and neuropeptide hormones of fetus and placenta and their regulatory roles in pregnancy homeostasis; and the fetal thyroid gland and its regulation. It also focuses on the role played by the endocrine system in allowing the pregnancy to function as a heterograft and in initiating the process of labor.

Adrenal Glands↗

Study on blood level of human placental lactogen in abnormal pregnancy.

The hormone human placental lactogen (HPL) was measured in 15 expectant mothers with pre-eclamptic toxaemia, 5 with postdated pregnancy and 2 mothers with intrauterine growth retardation (IUGR). These levels were compared with that of 43 expectant mothers without any complications. In preeclamptic toxaemia (PET), HPL showed higher or normal values but in severe cases of PET and in those with proteinuria, hormone level was depressed as compared to normal pregnancy. Also in younger mothers (22 years or less) with the complication, the hormone level was low, though no relation with parity was observed. In case of IUGR, the hormone level was within the normal range although one pregnancy ended in intra-uterine foetal death. Low level of the hormone was found in pregnancies ending in low birth weight babies and in postdated pregnancies with foetal postmaturity syndrome.

Adolescent↗