In fact, Semmelweis was warning against all decaying organic matter, not just against a specific contagion that originated from victims of childbed fever themselves.
From the en.wikipedia.org
It had a strong protective action against infections caused by streptococci, including blood infections, childbed fever, and erysipelas, and a lesser effect on infections caused by other cocci.
From the en.wikipedia.org
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Parturiency: concluding state of pregnancy; from the onset of contractions to the birth of a child; "she was in labor for six hours"
Pregnancy is the carrying of one or more offspring, known as a fetus or embryo, inside the womb of a female. In a pregnancy, there can be multiple gestations, as in the case of twins or triplets. Human pregnancy is the most studied of all mammalian pregnancies. ...
The final stage of pregnancy; confinement; The bed in which a baby is born
To dream of giving child birth, denotes fortunate circumstances and safe delivery of a handsome child. For an unmarried woman to dream of being in childbed, denotes unhappy changes from honor to evil and low estates.