Since there is some snow expected in our area that is part of a large front carrying barometric pressure
change this might be something to keep in mind if you are near the delivery date. Most classes teach
this but many people still seem not to be aware of this so just sharing. In general it is nothing
to be scared about, it is just as they say, more babies is born during those period because
body responds in such a way. It is good to keep an eye on those things.
Spontaneous delivery is related to barometric pressure.
https://www.ncbi.nlm.nih.gov/pubmed/17004080