Related to this action, progesterone. 1  Decreases sensitivity to oxytocin. 2  Oxytocin (a hormone from the posterior pituitary) increases the frequency and strength of uterine contractions. 3  During late pregnancy, the progesterone level may drop to 250 mg/day.
Swamp Walks. One of the wildest and most wonderful aspects to hiking in Florida is the availability of swamp walks through many habitats in Florida. These watery wades immerse you in habitats found nowhere else on earth.
Trudging through water on Clyde Butcher's swamp walk in the Big Cypress National Preserve. Credit Corey Perrine for The New York Times. The immense cypress tree at mile marker 54.5 of the Tamiami Trail â the highway that cuts across the Everglades in southern Florida â looks like it belongs in a fairy tale.