Contraction

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Contraction

In a business cycle, the time between the peak and the bottom. That is, a contraction occurs between the end of economic growth and the end of the subsequent recession. Contractions are characterized by layoffs, a decline in GDP, and other negative factors. However, historically, contractions have tended not to last as long as expansions.
References in periodicals archive ?
The overall performance of the classification method is improved when introducing the criteria of late and prolonged decelerations associated with uterine contractions, to 98.38% sensitivity and 78.24% specificity.
As has been mentioned above, identifying uterine contractions in EHG recordings is usually performed by means of the TOCO-like signals derived from them [12,14].
[23] investigated women with a twin pregnancy and regular uterine contractions or cervical ripening.
Pre-uterine-incision (before delivery of the baby) syntocinon infusion is very much useful in maintaining haemodynamic stability, leads to better uterine contractions, minimises blood loss, without altering neonatal outcome and so is beneficial for patients, anaesthesiologists as well as surgeons.
(11) Second, in uterine surgery specifically, vasopressin stimulates uterine contraction. The hormone exerts its antidiuretic action through the V2 receptor in the kidney.
Time for induction includes the time recorded with first dose of the tablet placed till the onset of regular uterine contractions. The time was less in the Misoprostol group i.e.
Therefore, the higher cortisol levels may reflect the longer exposure to stress from uterine contractions during the second stage of the vacuum-assisted delivery group.
All experiments were carried out in the afternoon on the day of pro-estrus, for we noted that uterine contractions started only late in the morning of proestrus, when a precipitous fall in estradiol concentration occurs (17).
The results show that DQSYS has the antagonistic action on both PG[F.sub.2][alpha] and Ach induced uterine contraction. Furthermore, it has the antagonistic effect on contraction caused by KCl-depolarization.
The value of uterine contraction frequency as a predictor of preterm delivery, however, remains unclear.
A previous study of six polychlorinated biphenyl (PCB) congeners showed that PCBs with four or fewer chlorines and ortho substitution stimulate uterine contraction frequency in vitro, whereas congeners with a greater number of chlorines or non-ortho substitution are inactive in vitro.