31. Research suggests that some dislike the term spontaneous abortion for miscarriage, some are indifferent and some prefer it. 32. But many hurdles would remain : experiments involving clone fetuses implanted in animals had high rates of spontaneous abortions . 33. From 1948 to 1971, doctors gave to some pregnant women DES, a synthetic estrogen used to prevent spontaneous abortions . 34. There is no data to suggest a higher rate of congenital anomalies or spontaneous abortions after using this drug. 35. However, " cold turkey " withdrawal detoxification from depressants like alcohol, heroin or Valium, virtually guarantees a spontaneous abortion . 36. Dorsey suspects that some women find ways to induce bleeding that requires " spontaneous abortions " in hospital emergency rooms. 37. Fescue toxicosis can cause late-term spontaneous abortions _ or miscarriage _ difficult birth, limited milk production and a thickened placenta. 38. *Xu R, Luo Y, Chambers C . Assessing the effect of vaccine on spontaneous abortion using time-dependent covariates Cox models. 39. Search Google for " livestock " and " spontaneous abortion " and most of the hits come back to this guy. 40. When combined with a normal gamete from the other parent, the first, fourth and fifth are lethal, leading to spontaneous abortion .
