Skip to main content

Table 4 Demographic information and laboratory outcomes of subgroup patients who underwent two cycles with only one clinical pregnancy outcome

From: The effects of daily meteorological perturbation on pregnancy outcome: follow-up of a cohort of young women undergoing IVF treatment

Characteristics

Spring (n = 33)

Summer (n = 14)

Autumn (n = 22)

Winter (n = 17)

P

Fertilization methoda

 IVF (n)

21

10

9

9

NS

 Other (n)c

12

4

13

8

Age (year)b

33(31–33)

32.5(31.3–34)

32(30–33)

32(31–33)

NS

Gn dose (IU), totalb

2925(2475–3750)

2587.5(2300–3993.8)

3262.5(2700–4293.8)

3600(2475–4500)

NS

Stimulation period (day)b

11(10–12)

11(11–12)

11.5(11–12)

11(10–12)

NS

LH baselineb

2(1.3–3.1)

1.6(1.0–2.9)

1.3(0.9–3.0)

1.6(0.9–2.1)

NS

LH at triggerb

2(1.3–3.1)

2.0(0.9–3.1)

2.1(1.7–2.9)

1.6(1.2–1.9)

NS

E2 baselineb,

58(44–94)

57(44.25)

52(44–75.3)

48(44–54)

NS

E2 at triggerb,

11,242(7133–19,277)

13,713.5(8377–18,862.3)

12,054(7530–23,103)

9275(5772–12,038)

NS

Day3 FSHb, d

6.8(6.1–8.1)

7.5(6.8–8.2)

7.4(6.5–8.8)

7.4(6.3–8.4)

NS

Oocyte retrieved (n)b

9(8–14)

12(9–15.8)

9(6.3–11)

13(8–16)

NS

Fertilized oocyte (n)b

6(4–8)

5.5(3.3–9.5)

7(4–7)

6(5–9)

NS

Available embryos (n)b, e

2(2–4)

3(1.25–5)

2(2–3)

4(2–4)

NS

Transferred embryof gradeb

4(4–4)

4(4–4)

4(4–4)

4(4–4)

NS

  1. NS Non-significant
  2. aP value was calculated using Chi-square test
  3. bP value was calculated using Kruskal-Wallis test
  4. cOther fertilization methods include ICSI, MESA, TESA
  5. dMissing observations were removed (1 in LH baseline, 7 in FSH)
  6. eAvailable embryos are the sum of frozen and transferred embryos
  7. fTransferred embryo grade of a cycle is the highest grade of all transferred embryo