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5 votes
13. Approximately every twenty eight days the female begins a new

cycle.
menstrual
endometrial

2 Answers

3 votes

Answer:

menstrual

Step-by-step explanation:

User Valentin Anghel
by
4.0k points
0 votes

Answer:

Menstrual! I am a girl so I know

Step-by-step explanation:

User Scott Seely
by
4.4k points