In the throes of something and In the pangs of

In the pangs of and in the throes of something are semantically related. in in the midst of topic. In some cases you can replace phrase "In the pangs of" with "In the throes of something", this phrases are similar.

In the throes of something and in the pangs of are semantically related. Sometimes you can replace phrase "In the throes of something" with "In the pangs of", this phrases are similar.