The latent phase of labour may be difficult to diagnose prospectively as late pregnancy painful contractions with all the appearances of true labour at times fail to progress to active labour. The decision to augment the latent phase of labour, therefore, is more similar to that for labour induction than for augmentation of the active phase of labour. The same attempts to balance potential benefits and risks should be applied, also taking into account the distress caused by ongoing uncertainty as to whether labour is or is not commencing. The latent phase of labour is usually augmented by amniotomy followed by oxytocin infusion either simultaneously or if the response to amniotomy alone is inadequate. For women not known to be free of HIV infection, oxytocin alone or prostaglandins may be used as for labour induction. Extra-amniotic saline infusion may be used if the cervix is narrow enough to retain the Foley catheter bulb.
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The first trimester is very important for the mother and the baby. For most women it is common to find out about their pregnancy after they have missed their menstrual cycle. Since, not all women note their menstrual cycle and dates of intercourse, it may cause slight confusion about the exact date of conception. That is why most women find out that they are pregnant only after one month of pregnancy.