Ovulation in a women with 28 days cycle occurs at-
**Core Concept**
Ovulation is a critical event in the female reproductive cycle, involving the release of a mature ovum from the **ovary**. This process is regulated by a complex interplay of **hormones**, including **estrogen** and **luteinizing hormone (LH)**. The timing of ovulation is crucial for fertilization and conception.
**Why the Correct Answer is Right**
In a typical 28-day menstrual cycle, ovulation occurs approximately midway through the cycle, around day 14. This is because the **follicular phase**, during which the **ovarian follicle** matures, lasts about 14 days. The surge in **LH** triggers ovulation, releasing the ovum into the **fallopian tube**.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because ovulation does not occur on the first day of the cycle.
**Option B:** This option might seem plausible but is not the most accurate choice for a standard 28-day cycle.
**Option D:** This option is incorrect because ovulation is earlier than this in a typical cycle.
**Clinical Pearl / High-Yield Fact**
A key point to remember is that ovulation typically occurs 14 days before the onset of the next menstrual period in a regular 28-day cycle.
**Correct Answer:** C. 14th day