Thnaks for posting your query.
Most of drugs effect foetus during organ formation i.e from week 3 to 8. Z pills effect on sex organs of foetus after 6 weeks when sexual differentiation starts and it may lead to ambiguous gender in girls and some bladder defects in boys. As you have taken it very early stage, there may not be any harm to your baby. You can visit your doctor and state your concerns, you may need scans to rule out anomalies later.
Hope it helps!
Answered: Tue, 9 Apr 2013
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