Words similar to spontaneous

Example sentences for: spontaneous

How can you use “spontaneous” in a sentence? Here are some example sentences to help you improve your vocabulary:

The following study covariates or known determinants of fetal growth (34) were abstracted from hospital delivery records and operationalized in a manner most consistent with most hospital records: maternal and infant race (white/nonwhite), parity (left continuous), uterine bleeding during pregnancy (yes/no), history of previous spontaneous abortion (yes/no), cigarette smoking during pregnancy (yes/no; if yes, average number daily cigarettes smoked during pregnancy), evidence placental infarction (yes/no), infant sex (male/female), gestational age (left continuous), placental infarction (yes/no), and birth defect (yes/no).
We recruited patients with spontaneous premature ovarian failure by letters to physicians and notices in medical journals.
In an age when even the most seemingly spontaneous public events are in fact preceded by stacks of memos and weeks of meetings, extemporaneous entertainment like this is no mean feat.
spontaneous bleeding events) was similar between active treatment and placebo groups in that trial.
Unfortunately, the media have tended to explain genocides as the spontaneous action of one group motivated by insatiable hatred of another.