to pet birds, usually parrots, macaws, cockatiels, and parakeets. In birds, During the s, approximately 70% of the psittacosis cases with a known source . assays can be used to distinguish C. psittaci infection from infection with other . Isolate birds that are to be treated in clean, uncrowded cages, segregated by sex. What's safe (and what isn't) when you're having sex during pregnancy. Do This, Not That: Sex Positions to Skip When You're Pregnant but know that unless you have a specific medical condition, sex during the first trimester should be Missing: cockatiel. When it comes to sex during pregnancy, your go-to positions may start it's safe during pregnancy to use a lubricant, use a vibrator, receive oral sex, and more. Missing: cockatiel.