Around 3/27: Conception takes about 14 days before the next period is due, or in a woman with regular 28 day cycle about 14 days after LMP. Ultrasound my help in determining fetal age.
Answered 5/28/2015
2.8k views
Exact is tough: You usually ovulate 12 to 24 hours after the ovulation test is positive.
Answered 5/28/2015
2.8k views
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