Can you still get pregnant even though have had a period after unprotected sex?

Yes, it is possible to get pregnant even if you have had a period after unprotected sex. Here's why:

1. Timing of Ovulation: Ovulation, the process where a mature egg is released from the ovaries, can occur at different times during your menstrual cycle. In most cases, ovulation happens around 14 days before the start of your next period. However, this can vary from person to person and cycle to cycle.

2. Sperm Survival: Sperm can live inside a woman's reproductive tract for several days after sex. In some cases, they can survive for up to five days.

3. Implantation: After ovulation, if sperm fertilizes the egg, the fertilized egg (now called an embryo) travels through the fallopian tube and implants itself in the lining of the uterus. This process of implantation usually takes around 6-12 days.

Here's how these factors can lead to pregnancy after a period:

- Unprotected Sex: If you had unprotected sex around the time of ovulation (even before or after your period), there's a chance that sperm may have survived and fertilized the egg.

- Implantation Timing: It's possible that the fertilized egg implanted in the uterus after your period had already started. This is because implantation can occur up to 12 days after ovulation, meaning it may not coincide exactly with your menstrual cycle.

- Irregular Periods: If your menstrual cycles are irregular or if you have a shorter luteal phase (the time between ovulation and the start of your period), it's possible that you ovulated earlier than expected and thus became pregnant.

Therefore, it's essential to practice safe sex and use appropriate contraceptive measures to prevent unintended pregnancy, even if you have had a period after unprotected sex. If you have any concerns or suspect you might be pregnant, it's advisable to take a pregnancy test to confirm your status.