Never!: Although it may take a few days for ovulation to occur after a period, there really isn't a "safe" period of time for unprotected sex. If not pregnancy, then std's are always possible. Fraternal twins are an example of two separate eggs occurring in the same cycle at different times with subsequent fertilization.
Answered 11/9/2018
5.1k views
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question