In human reproduction, which order of events is correct?
- Amenstruation $\rightarrow$ ovulation $\rightarrow$ fertilisation $\rightarrow$ implantation
- Bmenstruation $\rightarrow$ ovulation $\rightarrow$ implantation $\rightarrow$ fertilisation
- Covulation $\rightarrow$ menstruation $\rightarrow$ fertilisation $\rightarrow$ implantation
- Dovulation $\rightarrow$ menstruation $\rightarrow$ implantation $\rightarrow$ fertilisation