Public order offenders made up 36% of the BOP population, and 9% of federal prisoners (17,000) were serving time for immigration offenses. Among Hispanics in federal prisons, 26% were sentenced for immigration offenses (16,100 inmates), and 57% were sentenced for drug crimes (36,000 inmates).
1 Placenta previa can cause severe vaginal bleeding before or during delivery. 2  A C-section delivery usually is required if the placenta previa is present at the time of delivery. 3  Placenta accreta. 4  This condition occurs when the blood vessels of the placenta grow too deeply into the uterine wall.
If progesterone is absent or levels are too low, irregular and heavy menstrual bleeding can occur. A drop in progesterone during pregnancy can result in a miscarriage and early labour. Mothers at risk of giving birth too soon can be given a synthetic form of progesterone to delay the onset of labour.