Brief Answer: It may be implantation bleed. Detailed Answer: Hello and welcome to health care magic, Thanks for the query. You have been taking invega and now want to switch to abilify as you want periods. Also you want to know what the bleeding might be. Regarding the bleeding and chances of pregnancy: The invega injections are known to increase the levels of a hormone prolactin in the body. The same one that increases during breast feeding and suppresses periods. So the injections also suppress periods. If you have missed the injection than the prolactin must have gone down leading to return of normal menses and ovulation. Thus if unprotected sexual contact occurred during this time pregnancy may occur. Implantation bleeding also occurs about 10-12 days after ovulation. So if you were ovulating at that time this may be implantation bleed. We cannot be sure about this now. The best way to know this is by a blood or urine test. A blood test comes positive at about 2 weeks after ovulation and a urine test 3-4 weeks after ovulation. You may get a urine test 24 -25 days after the date of suspected contact. If it is negative then pregnancy will be ruled out and we can assume that this was a period. Now about change of medicines: I have already explained that invega suppresses periods, so if you want them to return, switching to abilify may be a good option and your doctor will be the one that decides this drug as I am a gynecologist. But if you are planning to get pregnant while on abilify, I must inform you that this drug is contraindicated in pregnancy. It is known to cause birth defects. So if a pregnancy is desired, better ask your doctor for another safe drug than abilify. I hope I was able to satisfy your query. Please feel free to ask more. Have a good day. Dr Madhuri Bagde Consultant Ob Gy

---

Brief Answer: explained details in answer. Detailed Answer: Hi and welcome back, Thanks for the information. I get everything now. The high prolactin suppressed your period and now since it is returning to normal plus there was a delay in the injection, may have led to ovulation. Other cause of the bleeding may be that the prolactin was low but not low enough to cause a normal ovulation-menstruation cycle and hence this atypical bleeding. So just get the pregnancy test done as this is the best way to know. An ovulation test is needed only if you desire pregnancy. Get a pregnancy test first as if it is positive no need for the ovulation test. If the above tests are negative and you continue to get such abnormal bleed, rule out local causes like polyps or fibroids though they are less likely as you already have a cause [ prolactin]. Hope this answered your query. I am always here for more questions. Take care. Dr Madhuri.

---