Sex toys while pregnant. Raging hormonal levels during pregnancy may mean you enjoy sex even more and your sexual desires are very different, just like your taste for food! Do vibrations hurt the baby? The same holds true for your sex toys: Here are eight things you should know about using a vibrator if you're expecting: While plenty of women report their partners try to be more gentle with them during sexwhat about masturbation? If you have a history of miscarriage or other high risk problems, your doctor would have probably told you to avoid sex for the first trimester of pregnancy. Read labels. If you experience any vaginal bleeding during or after sex or after using a sex toy, contact your midwife or GP.