Interpreting Eraserhead?

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First and one of most/best freaky movies of Lynch. Like each movie of Lynch the dialogs are limited, although this movie is (after Inland Empire) the most hard to understand. I have a little theory about "the worms". As you could see, the baby was not wished and this is the reason why the baby is so ugly. "The worms" in reality is sperm, and as the baby is unlike for that reason the woman of the great cheeks squashed them. But what the h3ll is this woman? what about the chicken?.....This movie is too fu#%ing hard. Lynch only says when someone ask for this money that "I film this in a depressive moment of my life" O.o Suggestions?