# Pregnancy Due Date (HPL)

The due date by Naegele's rule — last period plus 280 days — with gestational age and trimester today.

- Method: `GET`
- Path: `/v1/health/hpl`

**Parameters**

| Name | Type | | Description |
|---|---|---|---|
| `lmp` | string | required | Last menstrual period, first day, `YYYY-MM-DD`. |

**Example request**

```bash
curl https://api.diraz.ae/v1/health/hpl \
  -H "Authorization: Bearer drz_live_…"
```

**Example response**

```json
{
  "data": {
    "lmp": "2026-01-08",
    "due_date": "2026-10-15",
    "gestational_age_days": 224,
    "gestational_age_weeks": 32,
    "trimester": 3,
    "days_remaining": 56
  },
  "meta": { "request_id": "req_7Q2fK4mZ" }
}
```