 [ Symptoms ] my cats been crawling wont lay down low appitiete sad meowing her bottom seems tense has diarrhrea what could be wrong i have two cats one has diarrhea not sure which but one of my cats named trippy has these episodes where she crawls and will not walk she will rub herself against the wall meow sadly and will not eat that much she is still lovable but seems less interested can someone please help me could this be round worms or something much worse [ Disease ] most birth control pills contain a combination of two types of hormones an estrogen and a progestin these work together to stop your body is production of a hormone that tells your ovaries to release an egg so in fact they primarily work by stopping ovulation from occurring each cycle if there is no egg released there is no egg to fertilize and you prevent pregnancy the hormones in the birth control pills cause other changes that help to prevent pregnancy as well nevertheless this is their main mechanism of action