Side Effects. Drug information provided by: Micromedex. Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur:
How long does pregnancy last and how many kittens will by cat have are two of the most common questions cat owners have. The regular gestation period for cats is between 58 and 65 days, or approximately 9 weeks. A queen (pregnant cat) may have anywhere from 1 to 8 kittens at a time.
Now your pregnant cat will start to have major contractions. She will be breathing deeply and you will see visible movement and shuddering of her belly. In the beginning, the contractions for cats giving birth to kittens may be once every 30 minutes and possibly longer. They gradually become more frequent and occur every 30 seconds until right before the birth of the first kitten.