periovulation
ovulatory period
spermatovum
preovulation
follicle stage
follicular phase
ovulation
reovulation
proestrus
polyovulation
ultrasuperovulation
ovarian cycle
cleavage
segmentation
nonovulation
fertile period
fertile phase
menopause
induced ovulation
basal body temperature method
conception
basal body temperature method of family planning
superfecundation
concealed ovulation
oligoovulation
embryo
menstruation
rhythm method
cryptic ovulation
oophoron
hyperovulation
lamellate placentation
menstrual cycle
superfetation
DPO
ovarioscopy
ovarian pregnancy
rhythm method of birth control
calendar method
calendar method of birth control
rhythm
anovulation
apical placentation
monospermy
marginal placentation
menarche
ventral placentation
metestrus
safe period
Braxton Hicks contraction