It is possible, and common, to contract three words, for example: I’d’ve thought so = I would have thought so. I agree with Vanessa, contractions with Pitocin versus without it are so so different….black and white. Not in the form of apostrophes, which are a more modern device, but with the elided words written exactly as they would have been spoken, in this most oral of literary forms.
The time between contractions may be approximately five minutes at first; this interval gradually decreases over time. A full bladder can sometimes trigger Braxton Hicks, so urination may end the contractions. These are not really contractions because there is no alternative way of writing them.
Several sets of demonstrative pronouns originated as contractions of aquí (here) + pronoun, or pronoun + otro/a (other): aqueste, aqueso, estotro etc. Semen contains prostaglandin that prepares the cervix to childbirth by softening it. Sexual arousal and orgasm tone up the body and cause uterine contractions as well.
There are a lot of things you’ll go through during labor, aside form the contractions. Frequent Braxton hicks contractions are actually preparing your body for when actual labor does occur. And even if the stakes feel a little one-sided, Bartlett illustrates how denuded of compassion the term care” has become when preceded by the dread words duty of”.
The pain of contractions is usually a sign that your body is doing the right thing. A simple way to explain it is to say that a contraction is a shorter way to say two words.” Oh, and that apostrophe- it fills the space of those missing letters. The way All About Spelling and All About Reading explains them really helped my kids master contractions.