Pregnancy hormones

The FDA ultimately banned DES use during pregnancy Hormone was still used in cattle. The FDA issued a final ban on DES in June 1979... 

Progesterone is often called the pregnancy hormone. It is responsible for the preparation of the uterus for implantation of a fertilized egg. 

Soldan SS, Alvarez Retuerto Al, Sicotte NL, Voskuhl RR (2003) Immune modulation in multiple sclerosis patients treated with the pregnancy hormone estriol. J Immunol, 171 6267-6274. 

The sex hormones can be classified into three major groups (1) the female sex hormones, or estrogens (2) the male sex hormones, or androgens and (3) the pregnancy hormones, or progestins. 

Gender is another risk factor which is often mentioned. However, though clinically less important side-branch varicosis occurs more often in females, severe cases of trunk varicosis and CVI have about the same prevalence in males and females (Da Silva et al. 1974). During pregnancy, hormonal changes cause relaxation of smooth muscle and increased venous distensibility. Parity is often discussed, but after correcting for age, an association with CVI in later life has never been demonstrated conclusively (Krijnen et al. 1998). He-... 

Figure 86. Calibration curve for the pregnancy hormone hCG. Each measurement was made with a new lOS sensor. The change of the fluorescence signal is plotted vs. the concentration...

The female contraceptive pill contains the hormone progesterone (often called the pregnancy hormone) combined with an estrogen, usually a derivative of estradiol called ethynyl estradiol. High levels of progesterone such as those in the pill are usually only found when a woman is... 

Progesterone - the pregnancy hormone. Note the remarkable structural similarity to testosterone, above... 

Track-and-field athlete Daniel Plaza said that he had prolonged sex with his pregnant wife, as pregnant women may produce nandrolone. In fact, the female pregnancy hormone, progesterone, is structurally quite similar to nandrolone. 

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